O09.31
BillableSupervision of pregnancy with insufficient antenatal care, first trimester
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Medical supervision of a pregnancy in the first trimester where the mother has not received adequate prenatal care.
Coding Tips
- •First trimester covers weeks 1-13; confirm this timeframe in the medical record.
- •Document the reason for insufficient care to support medical necessity and justify additional monitoring.
Code Hierarchy
└O09Supervision of high risk pregnancy└O09.3Supervision of pregnancy with insufficient antenatal care└O09.31Supervision of pregnancy with insufficient antenatal care, first trimester
└O09.31Supervision of pregnancy with insufficient antenatal care, first trimester