In the case of multiple births, map the first delivery date/time (Baby A) as the delivery date/time for the encounter.
This measure allows for 2 approaches to determine estimated gestational age (EGA) in the following order of precedence:
1. The EGA is calculated using the American College of Obstetricians and Gynecologists ReVITALize guidelines.*
2. The EGA is obtained from a discrete field in the electronic health record. This option is only used when the calculated EGA is not available.
Wherever gestational age is mentioned, relative to the delivery, the intent is to capture the last estimated gestational age prior to or at the time of delivery.
*ACOG ReVITALize Guidelines for Calculating Gestational Age:
Gestational Age = (280-(EDD minus Reference Date))/7
--Estimated Due Date (EDD): The best obstetrical Estimated Due Date is determined by last menstrual period if confirmed by early ultrasound or no ultrasound performed, or early ultrasound if no known last menstrual period or the ultrasound is not consistent with last menstrual period, or known date of fertilization (eg, assisted reproductive technology)
--Reference Date is the date on which you are trying to determine gestational age. For purposes of this eCQM, Reference Date would be the Date of Delivery.
Note however the calculation may yield a non-whole number and gestational age should be rounded off to the nearest completed week. For example, an infant born on the 5th day of the 36th week (35 weeks and 5/7 days) is at a gestational age of 35 weeks, not 36 weeks.
This eCQM is an episode-based measure. An episode is defined as each inpatient hospitalization or encounter that ends during the measurement period.
This version of the eCQM uses QDM version 5.6. Please refer to the QDM page for more information on the QDM.
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