N91.4
BillableSecondary oligomenorrhea
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 that have developed in a female who previously had normal menstrual cycles.
Coding Tips
- •Document the previous normal menstrual pattern and when the change to infrequent periods began
- •Consider underlying causes such as hormonal changes, stress, or medical conditions in the clinical assessment
Code Hierarchy
└N91Absent, scanty and rare menstruation└N91.4Secondary oligomenorrhea
└N91.4Secondary oligomenorrhea