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ICD-10/Q50.39

Q50.39 ICD-10-CM Code: Other congenital malformation of ovary

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.

  • MS-DRG 742 — UTERINE AND ADNEXA PROCEDURES FOR NON-MALIGNANCY WITH CC/MCC (MDC 13)
  • MS-DRG 743 — UTERINE AND ADNEXA PROCEDURES FOR NON-MALIGNANCY WITHOUT CC/MCC (MDC 13)
  • MS-DRG 760 — MENSTRUAL AND OTHER FEMALE REPRODUCTIVE SYSTEM DISORDERS WITH CC/MCC (MDC 13)
  • MS-DRG 761 — MENSTRUAL AND OTHER FEMALE REPRODUCTIVE SYSTEM DISORDERS WITHOUT CC/MCC (MDC 13)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Other congenital malformation of ovary is a billable ICD-10-CM diagnosis code (Q50.39).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for Q50.39 in the official ICD-10-CM tabular list.

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Congenital malformation of ovary NOS

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • androgen insensitivity syndrome (E34.5-)
  • syndromes associated with anomalies in the number and form of chromosomes (Q90-Q99)

Nearest Codes in This Family

Official ICD-10-CM classifications closest to Q50.39 in its code family, with their registry titles.

  • 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
  • Q50.32 — Ovarian streak
  • 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

View all codes in the Q50 family

Indexed Clinical Terms (9)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Adhesions, adhesive (postinfective), ovary, congenital (to cecum, kidney or omentum)
  • Anomaly, anomalous (congenital) (unspecified type), ovary
  • Deformity, ovary (congenital)
  • Displacement, displaced, ovary (acquired), congenital
  • Displacement, displaced, ovary (acquired), free in peritoneal cavity (congenital)
  • Hypoplasia, hypoplastic, ovary, congenital
  • Malformation (congenital), ovary
  • Malposition, congenital, ovary
  • Small (ness), ovary (congenital)