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N91 Non-Billable Code

Absent, scanty and rare menstruation

Chapter Classification

Chapter 14 Diseases of the genitourinary system (N00-N99)

Section Detail

N80-N98 Noninflammatory disorders of female genital tract (N80-N98)

Coding Guidelines & Notes

excludes1
  • ovarian dysfunction (E28.-)

More Specific Diagnosis Codes

This code is not billable as it requires a higher level of specificity. Select a more specific code below.

  • N91.0 - Primary amenorrhea Billable
  • N91.1 - Secondary amenorrhea Billable
  • N91.2 - Amenorrhea, unspecified Billable
  • N91.3 - Primary oligomenorrhea Billable
  • N91.4 - Secondary oligomenorrhea Billable
  • N91.5 - Oligomenorrhea, unspecified Billable

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