Absent, scanty and rare menstruation (N91)

• ICD-10 Index

  • Diseases of the genitourinary system (N00–N99)

    • Noninflammatory disorders of female genital tract (N80-N98)

      • Absent, scanty and rare menstruation (N91)

        • N91 - Absent, scanty and rare menstruation NON-BILLABLE CODE
        • N91.0 - Primary amenorrhea BILLABLE CODE
        • N91.1 - Secondary amenorrhea BILLABLE CODE
        • N91.2 - Amenorrhea, unspecified BILLABLE CODE
        • N91.3 - Primary oligomenorrhea BILLABLE CODE
        • N91.4 - Secondary oligomenorrhea BILLABLE CODE
        • N91.5 - Oligomenorrhea, unspecified BILLABLE CODE

Clinical Information for Absent, scanty and rare menstruation (N91)

Amenorrhea - Absence of menstruation.

Oligomenorrhea - Abnormally infrequent menstruation.

Oligomenorrhea - Abnormally infrequent menstruation.

Oligomenorrhea - Abnormally infrequent menstruation.

Instructional Notations

Type 1 Excludes Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

• ovarian dysfunction E28