O99.320
BillableDrug use complicating pregnancy, unspecified trimester
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Drug use during pregnancy that causes complications, but the specific trimester of pregnancy is not documented or specified.
Coding Tips
- •Use this code only when the trimester is unknown or unspecified; otherwise assign the trimester-specific code
- •Document the type of drug used and any maternal or fetal complications for complete clinical documentation
Code Hierarchy
└O99Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium└O99.3Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium└O99.32Drug use complicating pregnancy, childbirth, and the puerperium└O99.320Drug use complicating pregnancy, unspecified trimester
└O99.320Drug use complicating pregnancy, unspecified trimester