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N91.3

Billable

Primary 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 occurring in a female who has never menstruated normally since puberty.

Coding Tips

  • •Document the pattern of menstrual cycles and confirm this is the patient's baseline since menarche
  • •Distinguish from secondary oligomenorrhea by confirming the patient never had normal menstrual frequency

Code Hierarchy

└N91Absent, scanty and rare menstruation└N91.3Primary oligomenorrhea
└N91.3Primary oligomenorrhea

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