Current
N91 — Absent, scanty and rare menstruation
Part of Chapter 14: Diseases of the genitourinary system , block Noninflammatory disorders of female genital tract (N80-N98) .
Official Notes
Excludes1
ovarian dysfunction ( E28 .-)
Child Codes
FY 2027 effective October 1, 2026 · CDC NCHS and CMS