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N91.4 - Secondary oligomenorrhea


The ICD 10 Code for Secondary oligomenorrhea is listed as N91.4.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: N91.4
Description: Secondary oligomenorrhea
Diagnostic Related Groups
(MS-DRG v30.0)
742 - Uterine & Adnexa Proc For Non-malignancy W Cc/mcc
743 - Uterine & Adnexa Proc For Non-malignancy W/o Cc/mcc
760 - Menstrual & Other Female Reproductive System Disorders W Cc/mcc
761 - Menstrual & Other Female Reproductive System Disorders W/o Cc/mcc
Chapter Diseases of the genitourinary system (N00-N99)
Block Noninflammatory disorders of female genital tract (N80-N98)
Parent N91 - Absent, scanty and rare menstruation
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 626.1 - Scanty or infrequent menstruation (approximate)
ICD-10-CM Siblings (same level / similar specificity) of N91.4:
N91.0 - Primary amenorrhea
N91.1 - Secondary amenorrhea
N91.2 - Amenorrhea, unspecified
N91.3 - Primary oligomenorrhea
N91.5 - Oligomenorrhea, unspecified