N91.5
BillableOligomenorrhea, unspecified
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Infrequent or scanty menstrual periods when it is unclear whether this is a lifelong pattern or a recent change.
Coding Tips
- •Use this code only when the distinction between primary and secondary oligomenorrhea cannot be determined
- •Request clarification from the provider regarding the patient's menstrual history for more specific coding
Code Hierarchy
└N91Absent, scanty and rare menstruation└N91.5Oligomenorrhea, unspecified
└N91.5Oligomenorrhea, unspecified