N91.2

ICD-10-CM Coding Rules

• N91.2

Approximate Synonyms

• Amenorrhea

• Amenorrhea nomenstrual flow)

• Anovulatory amenorrhea

• Anovulatory amenorrhea no ovulation, menstruation)

• Missed period

Clinical Information

• Absence of menses for three months or more.

• Absence of menstruation.

• Absence or abnormal cessation of the menses.

Details

• N91.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM N91.2 became effective on October 1, 2022.

• This is the American ICD-10-CM version of N91.2 – other international versions of ICD-10 N91.2 may differ.