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N92.5

N92.5Other specified irregular menstruation

Billable / specific codeICD-10-CM

N92.5 is a billable, specific ICD-10-CM code for other specified irregular menstruation. It is valid for submission on a claim.

Risk adjustment

N92.5 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

N92.5 is named in 1 Medicare coverage policy 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52453Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs

How N92.5 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to N92.5.

  • Retrograde menstruation
  • Menstruationlatent
  • Menstruationmembranous
  • Menstruationprotracted
  • Menstruationretrograde
  • Disordermenstrualspecified NEC
  • Menstruationirregularspecified NEC

Related codes at this level

Codes that share N92. If N92.5 is not quite right, the correct code is usually one of these.

Questions about N92.5

Is N92.5 a billable ICD-10-CM code?
Yes. N92.5 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does N92.5 sit in the tabular list?
Diseases of the genitourinary system (N00-N99), in the block Noninflammatory disorders of female genital tract (N80-N98).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.