O46.91
BillableAntepartum hemorrhage, unspecified, first trimester
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Unexplained vaginal bleeding during the first three months of pregnancy before labor begins.
Coding Tips
- •Verify trimester documentation in the medical record; first trimester is weeks 1-13
- •Use only when the cause of bleeding is not specified; if cause is known, use more specific O46 codes
Code Hierarchy
└O46Antepartum hemorrhage, not elsewhere classified└O46.9Antepartum hemorrhage, unspecified└O46.91Antepartum hemorrhage, unspecified, first trimester
└O46.91Antepartum hemorrhage, unspecified, first trimester