Q50.31 Accessory ovary

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

MS-DRG index

Defines the logic of DRG(s) 742-743 in MDC 13.

Approximate ICD-9-CM (GEMs)

• 752.0 Anomalies of ovaries (approximate)

Diagnosis Index entries for Q50.31

• Accessory (congenital) › ovary
• Supernumerary (congenital) › ovary

Nearby codes

• Q50.01 Congenital absence of ovary, unilateral
• Q50.02 Congenital absence of ovary, bilateral
• Q50.1 Developmental ovarian cyst
• Q50.2 Congenital torsion of ovary
• Q50.3 Other congenital malformations of ovary
• Q50.31 Accessory ovary (this code)
• Q50.32 Ovarian streak
• Q50.39 Other congenital malformation of ovary
• Q50.4 Embryonic cyst of fallopian tube
• Q50.5 Embryonic cyst of broad ligament
• Q50.6 Other congenital malformations of fallopian tube and broad ligament