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N91 Absent, scanty and rare menstruation
BackN91.0Primary amenorrheaCategoryN91.1Secondary amenorrheaCategoryN91.2Amenorrhea, unspecifiedCategoryN91.3Primary oligomenorrheaCategoryN91.4Secondary oligomenorrheaCategoryN91.5Oligomenorrhea, unspecifiedCategory
Category
N91
Absent, scanty and rare menstruation
EXCLUDES
Excludes1: ovarian dysfunction (E28.-)
- Chapter
- XIV · Diseases of the genitourinary system
- Section
- N80-N98
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.