Chlamydia Screening for Women

• • Active Contraceptive Medications

    • • ["Medication, Active": "Contraceptive Medications"] ActiveContraceptives
          where ActiveContraceptives.relevantPeriod overlaps "Measurement Period"

       

  • Assessments Identifying Sexual Activity

    • • ( ["Assessment, Performed": "Sexually Active"] SexualActivityAssessment
            where SexualActivityAssessment.result ~ "Yes (qualifier value)"
              and SexualActivityAssessment.relevantDatetime before 
              end of "Measurement Period"
        )

       

  • Denominator

    • • "Initial Population"

       

  • Denominator Exclusions

    • • Hospice."Has Hospice"
          or ( exists ( "Pregnancy Test Exclusion" )
              and not exists ( "Diagnoses Identifying Sexual Activity" )
              and not exists ( "Active Contraceptive Medications" )
              and not exists ( "Laboratory Tests Identifying Sexual Activity But Not Pregnancy" )
              and not exists ( "Procedures Identifying Sexual Activity" )
              and not exists ( "Assessments Identifying Sexual Activity" )
              and not exists ( "Ordered Contraceptive Medications" )
              and not exists ( "Diagnostic Studies Identifying Sexual Activity" )
          )

       

  • Diagnoses Identifying Sexual Activity

    • • ( ( ["Diagnosis": "Other Female Reproductive Conditions"]
            union ["Diagnosis": "Genital Herpes"]
            union ["Diagnosis": "Gonococcal Infections and Venereal Diseases"]
            union ["Diagnosis": "Inflammatory Diseases of Female Reproductive Organs"]
            union ["Diagnosis": "Chlamydia"]
            union ["Diagnosis": "HIV"]
            union ["Diagnosis": "Syphilis"]
            union ["Diagnosis": "Carrier of Predominantly Sexually Transmitted Infection"]
            union ["Diagnosis": "Complications of Pregnancy, Childbirth and the Puerperium"] ) SexualActivityDiagnosis
            where SexualActivityDiagnosis.prevalencePeriod overlaps "Measurement Period"
        )

       

  • Diagnostic Studies Identifying Sexual Activity

    • • ["Diagnostic Study, Order": "Diagnostic Studies During Pregnancy"] SexualActivityDiagnostics
          where SexualActivityDiagnostics.authorDatetime during "Measurement Period"

       

  • Hospice.Has Hospice

    • • exists ( ["Encounter, Performed": "Encounter Inpatient"] DischargeHospice
            where ( DischargeHospice.dischargeDisposition ~ "Discharge to home for hospice care (procedure)"
                or DischargeHospice.dischargeDisposition ~ "Discharge to healthcare facility for hospice care (procedure)"
            )
              and DischargeHospice.relevantPeriod ends during "Measurement Period"
        )
          or exists ( ["Intervention, Order": "Hospice care ambulatory"] HospiceOrder
              where HospiceOrder.authorDatetime during "Measurement Period"
          )
          or exists ( ["Intervention, Performed": "Hospice care ambulatory"] HospicePerformed
              where HospicePerformed.relevantPeriod overlaps "Measurement Period"
          )

       

  • Initial Population

    • • exists ( ["Patient Characteristic Birthdate": "Birth date"] BirthDate
            where Global."CalendarAgeInYearsAt" ( BirthDate.birthDatetime, start of "Measurement Period" ) in Interval[16, 24 )
        )
          and exists ( ["Patient Characteristic Sex": "Female"] )
          and exists ( "Qualifying Encounters" )
          and ( exists ( "Assessments Identifying Sexual Activity" )
              or exists ( "Diagnoses Identifying Sexual Activity" )
              or exists ( "Active Contraceptive Medications" )
              or exists ( "Ordered Contraceptive Medications" )
              or exists ( "Laboratory Tests Identifying Sexual Activity" )
              or exists ( "Diagnostic Studies Identifying Sexual Activity" )
              or exists ( "Procedures Identifying Sexual Activity" )
          )

       

  • Laboratory Tests Identifying Sexual Activity

    • • ( ["Laboratory Test, Order": "Pregnancy Test"]
          union "Laboratory Tests Identifying Sexual Activity But Not Pregnancy" ) AllLabOrders
          where AllLabOrders.authorDatetime during "Measurement Period"

       

  • Laboratory Tests Identifying Sexual Activity But Not Pregnancy

    • • ( ["Laboratory Test, Order": "Pap Test"]
          union ["Laboratory Test, Order": "Lab Tests During Pregnancy"]
          union ["Laboratory Test, Order": "Lab Tests for Sexually Transmitted Infections"] ) LabOrders
          where LabOrders.authorDatetime during "Measurement Period"

       

  • Numerator

    • • exists ( ["Laboratory Test, Performed": "Chlamydia Screening"] ChlamydiaTest
            where ChlamydiaTest.result is not null
              and ChlamydiaTest.relevantDatetime during "Measurement Period"
        )

       

  • Ordered Contraceptive Medications

    • • ["Medication, Order": "Contraceptive Medications"] OrderedContraceptives
          where OrderedContraceptives.authorDatetime during "Measurement Period"

       

  • Pregnancy Test Exclusion

    • • ( ["Laboratory Test, Order": "Pregnancy Test"] PregnancyTest
            with ["Diagnostic Study, Order": "X-Ray Study (all inclusive)"] XrayOrder
              such that XrayOrder.authorDatetime occurs 7 days or less on or after day of PregnancyTest.authorDatetime
            where PregnancyTest.authorDatetime during "Measurement Period"
        )
          union ( ["Laboratory Test, Order": "Pregnancy Test"] PregnancyTestOrder
              with ["Medication, Order": "Isotretinoin"] AccutaneOrder
                such that AccutaneOrder.authorDatetime occurs 7 days or less on or after day of PregnancyTestOrder.authorDatetime
              where PregnancyTestOrder.authorDatetime during "Measurement Period"
          )

       

  • Procedures Identifying Sexual Activity

    • • ( ["Procedure, Performed": "Delivery Live Births"]
          union ["Procedure, Performed": "Procedures During Pregnancy"]
          union ["Procedure, Performed": "Procedures Involving Contraceptive Devices"] ) ProceduresForSexualActivity
          where ProceduresForSexualActivity.relevantDatetime during "Measurement Period"

       

  • Qualifying Encounters

    • • ( ["Encounter, Performed": "Office Visit"]
          union ["Encounter, Performed": "Preventive Care Services - Established Office Visit, 18 and Up"]
          union ["Encounter, Performed": "Preventive Care Services-Initial Office Visit, 18 and Up"]
          union ["Encounter, Performed": "Preventive Care- Initial Office Visit, 0 to 17"]
          union ["Encounter, Performed": "Preventive Care - Established Office Visit, 0 to 17"]
          union ["Encounter, Performed": "Home Healthcare Services"] ) ValidEncounter
          where ValidEncounter.relevantPeriod during "Measurement Period"

       

  • SDE Ethnicity

    • • ["Patient Characteristic Ethnicity": "Ethnicity"]

       

  • SDE Payer

    • • ["Patient Characteristic Payer": "Payer"]

       

  • SDE Race

    • • ["Patient Characteristic Race": "Race"]

       

  • SDE Sex

    • • ["Patient Characteristic Sex": "ONC Administrative Sex"]

       

  • Stratification 1

    • • exists ( ["Patient Characteristic Birthdate": "Birth date"] BirthDate
            where Global."CalendarAgeInYearsAt" ( BirthDate.birthDatetime, start of "Measurement Period" ) in Interval[16, 21 )
        )

       

  • Stratification 2

    • • exists ( ["Patient Characteristic Birthdate": "Birth date"] BirthDate
            where Global."CalendarAgeInYearsAt" ( BirthDate.birthDatetime, start of "Measurement Period" ) in Interval[21, 24 )
        )

       

Functions

None