Data elements that meet criteria using this datatype should document completion of the assessment indicated by the QDM category and its corresponding value set.

Timing:

• relevant dateTime references timing for an assessment that occurs at a single point in time.
• relevant Period references a start and stop time for an assessment that occurs over a time interval
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criterion.

Note: negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Data elements that meet criteria using this datatype should document completion of the assessment indicated by the QDM category and its corresponding value set.

Timing:

• relevant dateTime references timing for an assessment that occurs at a single point in time.
• relevant Period references a start and stop time for an assessment that occurs over a time interval
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criterion.

Note: negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Data elements that meet criteria using this datatype should document the Condition/Diagnosis/Problem and its corresponding value set. The onset dateTime corresponds to the implicit start dateTime of the datatype and the abatement dateTime corresponds to the implicit stop dateTime of the datatype. If the abatement dateTime is not present, then the diagnosis is considered to still be active. When this datatype is used with timing relationships, the criterion is looking for an active diagnosis for the time frame indicated by the timing relationships.

Timing: The prevalencePeriod references the time from the onset date to the abatement date.

Data elements that meet criteria using this datatype should document the Condition/Diagnosis/Problem and its corresponding value set. The onset dateTime corresponds to the implicit start dateTime of the datatype and the abatement dateTime corresponds to the implicit stop dateTime of the datatype. If the abatement dateTime is not present, then the diagnosis is considered to still be active. When this datatype is used with timing relationships, the criterion is looking for an active diagnosis for the time frame indicated by the timing relationships.

Timing: The prevalencePeriod references the time from the onset date to the abatement date.

Data elements that meet criteria using this datatype should document the Condition/Diagnosis/Problem and its corresponding value set. The onset dateTime corresponds to the implicit start dateTime of the datatype and the abatement dateTime corresponds to the implicit stop dateTime of the datatype. If the abatement dateTime is not present, then the diagnosis is considered to still be active. When this datatype is used with timing relationships, the criterion is looking for an active diagnosis for the time frame indicated by the timing relationships.

Timing: The prevalencePeriod references the time from the onset date to the abatement date.

Data elements that meet criteria using this datatype should document the Condition/Diagnosis/Problem and its corresponding value set. The onset dateTime corresponds to the implicit start dateTime of the datatype and the abatement dateTime corresponds to the implicit stop dateTime of the datatype. If the abatement dateTime is not present, then the diagnosis is considered to still be active. When this datatype is used with timing relationships, the criterion is looking for an active diagnosis for the time frame indicated by the timing relationships.

Timing: The prevalencePeriod references the time from the onset date to the abatement date.

Data elements that meet criteria using this datatype should document the Condition/Diagnosis/Problem and its corresponding value set. The onset dateTime corresponds to the implicit start dateTime of the datatype and the abatement dateTime corresponds to the implicit stop dateTime of the datatype. If the abatement dateTime is not present, then the diagnosis is considered to still be active. When this datatype is used with timing relationships, the criterion is looking for an active diagnosis for the time frame indicated by the timing relationships.

Timing: The prevalencePeriod references the time from the onset date to the abatement date.

Data elements that meet criteria using this datatype should document the Condition/Diagnosis/Problem and its corresponding value set. The onset dateTime corresponds to the implicit start dateTime of the datatype and the abatement dateTime corresponds to the implicit stop dateTime of the datatype. If the abatement dateTime is not present, then the diagnosis is considered to still be active. When this datatype is used with timing relationships, the criterion is looking for an active diagnosis for the time frame indicated by the timing relationships.

Timing: The prevalencePeriod references the time from the onset date to the abatement date.

Data elements that meet criteria using this datatype should document the Condition/Diagnosis/Problem and its corresponding value set. The onset dateTime corresponds to the implicit start dateTime of the datatype and the abatement dateTime corresponds to the implicit stop dateTime of the datatype. If the abatement dateTime is not present, then the diagnosis is considered to still be active. When this datatype is used with timing relationships, the criterion is looking for an active diagnosis for the time frame indicated by the timing relationships.

Timing: The prevalencePeriod references the time from the onset date to the abatement date.

Data elements that meet criteria using this datatype should document the Condition/Diagnosis/Problem and its corresponding value set. The onset dateTime corresponds to the implicit start dateTime of the datatype and the abatement dateTime corresponds to the implicit stop dateTime of the datatype. If the abatement dateTime is not present, then the diagnosis is considered to still be active. When this datatype is used with timing relationships, the criterion is looking for an active diagnosis for the time frame indicated by the timing relationships.

Timing: The prevalencePeriod references the time from the onset date to the abatement date.

Data elements that meet criteria using this datatype should document the Condition/Diagnosis/Problem and its corresponding value set. The onset dateTime corresponds to the implicit start dateTime of the datatype and the abatement dateTime corresponds to the implicit stop dateTime of the datatype. If the abatement dateTime is not present, then the diagnosis is considered to still be active. When this datatype is used with timing relationships, the criterion is looking for an active diagnosis for the time frame indicated by the timing relationships.

Timing: The prevalencePeriod references the time from the onset date to the abatement date.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document that the encounter indicated by the QDM category and its corresponding value set is in progress or has been completed.

The "Encounter, Performed" participant references the primary participant.

Previous versions of QDM included an attribute principal diagnosis, defined as the condition that, after study, was determined to be the principal cause of the admission. QDM version 5.6 addresses that concept using the diagnosis rank=1.

Timing:

• The relevantPeriod addresses:
  • startTime - The time the encounter began (admission time).
  • stopTime - The time the encounter ended (discharge time).
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criteria.

Notes:

• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.
• The locationPeriod is an attribute of the attribute facility location that addresses:
  • startTime - the time the patient arrived at the location. The time the encounter began (admission time).
  • stopTime - the time the patient departed from the location.

Data elements that meet criteria using this datatype should document a request to perform the intervention indicated by the QDM category and its corresponding value set.

Timing: The time the order is signed; author dateTime.

Note: negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Data elements that meet criteria using this datatype should document the completion of the intervention indicated by the QDM category and its corresponding value set.

Timing:

• relevant dateTime references the time the intervention is performed when the intervention occurs at a single point in time.
• relevantPeriod references a start and stop time for an intervention that occurs over a time interval. relevantPeriod addresses:
  • startTime - The time the intervention begins.
  • stopTime - The time the intervention ends.
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criterion.

Notes:

• Timing refers to a single instance of an intervention. If a measure seeks to evaluate multiple interventions over a period of time, the measure developer should use CQL logic to represent the query request.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Data elements that meet criteria using this datatype should document the completion of the intervention indicated by the QDM category and its corresponding value set.

Timing:

• relevant dateTime references the time the intervention is performed when the intervention occurs at a single point in time.
• relevantPeriod references a start and stop time for an intervention that occurs over a time interval. relevantPeriod addresses:
  • startTime - The time the intervention begins.
  • stopTime - The time the intervention ends.
• author dateTime references the time the action was recorded.
• Refer to the eCQM expression to determine allowable timings to meet measure criterion.

Notes:

• Timing refers to a single instance of an intervention. If a measure seeks to evaluate multiple interventions over a period of time, the measure developer should use CQL logic to represent the query request.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document a request to a pharmacy to provide the medication indicated by the QDM category and its corresponding value set.

Timing:

• relevantPeriod addresses the time referenced in the dosage instruction indicating when the medication administration should start and end.
• author dateTime references the date and time the medication order (prescription) is authored.

Notes:

• The medication order (prescription) is unlikely to indicate a relevantPeriod, the time period for which the ordered supply is to be administered/taken including all refills. Therefore, to determine the number of days covered by a single dispensing event, use the daysSupplied attribute and the relevant dateTime of the event to determine when the ordered medication will run out. If daysSupplied is not available, derive it from the supply (quantity of medication ordered) divided by the dosage (amount of medication to be taken at a single administration) times the frequency (number of units per time period – e.g., per day):
  daysSupplied = supply / (dosage x frequency)
  And multiply the daysSupplied per dispensing event multiplied by one plus the number of refills to determine the total daysSupplied ordered.
  daysSupplied x (1 + #refills)
  Starting with the relevant dateTime add the total daysSupplied (including refills) to determine when the ordered medication quantity will run out.
• negation rationale indicates a one-time documentation of a reason an activity is not performed. Negation of QDM datatype-related actions for a reason always use the author dateTime attribute to reference timing and must not use relevantPeriod.

Refer to Special Cases in Section 5.7 for scenarios to consider in calculating cumulative medication duration.

Data elements that meet criteria using this datatype should document that the patient has one or more of the ethnicities indicated by the QDM category and its corresponding value set.

Timing: Ethnicity does not have a specific timing. Measures using "Patient Characteristic, Ethnicity" should address the most recent entry in the clinical record.

Data elements that meet criteria using this datatype should document that the patient has one or more of the payers indicated by the QDM category and its corresponding value set.

Timing:

The relevantPeriod addresses:

• startTime – the first day of insurance coverage with the referenced payer.
• stopTime – the last day of insurance coverage with the referenced payer.

Data elements that meet criteria using this datatype should document the patient’s race.

Timing: Race does not have a specific timing. Measures using "Patient Characteristic, Race" should address the most recent entry in the clinical record.

Data elements that meet criteria using this datatype should document that the patient's sex matches the QDM category and its corresponding value set.

Timing: Birth (administrative) sex does not have a specific timing.