Starting July 1, 2021, all participating health care professionals and inpatient acute care facilities must report gestational age on maternity claims using the appropriate diagnosis code. This requirement is for commercial plan members. Doing so is quick and easy, and will help ensure accurate, timely claim payments.
For example, to report a gestational age on a maternity claim:
Start with gestation diagnosis code (ICD) Z3A
Add the gestational week. For example, Z3A.37 would indicate 37 gestational weeks