N91.1
Secondary amenorrhea loss of menstrual period)
Secondary physiologic amenorrhea
N91.1 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 N91.1 became effective on October 1, 2022.
This is the American ICD-10-CM version of N91.1 – other international versions of ICD-10 N91.1 may differ.