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N91.1

Billable

Secondary amenorrhea

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

The absence of menstrual periods in a female who previously had regular or irregular periods but has stopped menstruating.

Coding Tips

  • Document the duration of amenorrhea and the patient's previous menstrual history to establish that periods were previously present
  • Rule out pregnancy, menopause, and hormonal contraceptive use before coding this diagnosis

Code Hierarchy

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