N91Non-billable (header)
Absent, scanty and rare menstruation
✗ Excludes 1(Not coded here)
- •ovarian dysfunction (E28.-)
Code Hierarchy
┌14Diseases of the genitourinary system (N00-N99)├N80-N98Noninflammatory disorders of female genital tract (N80-N98)├N91Absent, scanty and rare menstruation
└N91Absent, scanty and rare menstruation
Not sure between two codes?
⇄ Compare N91 with another code →