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ICD-10-CM Current in FY 2027

N91.4

Secondary oligomenorrhea

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where N91.4 sits in the official hierarchy. Each level is the code it is classified under.

  1. N91 Parent Absent, scanty and rare menstruation
  2. N91.4 This code Secondary oligomenorrhea

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes1

ovarian dysfunction ( E28 .-)

Inherited from N91 — Absent, scanty and rare menstruation

Version History

How N91.4 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Secondary oligomenorrhea

  2. FY 2026 Effective

    Unchanged

    Secondary oligomenorrhea

Related Codes

Other codes under N91

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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