O43.91
BillableUnspecified placental disorder, first trimester
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A placental problem or abnormality that cannot be more specifically identified or classified, occurring during the first trimester of pregnancy.
Coding Tips
- •Confirm first trimester timing (weeks 1-12) in the medical record
- •Requires a 7th character for episode of care (A, D, or S) for complete coding
Code Hierarchy
└O43Placental disorders└O43.9Unspecified placental disorder└O43.91Unspecified placental disorder, first trimester
└O43.91Unspecified placental disorder, first trimester