Q51.21 Complete doubling of uterus

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

Applicable to

• Complete septate uterus

Applies from Q51.2 Other doubling of uterus

Applicable to

• Doubling of uterus NOS
• Septate uterus

MS-DRG index

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

Diagnosis Index entries for Q51.21

• Double › uterus › complete
• Septum, septate (congenital) › uterus › complete

Nearby codes

• Q51.0 Agenesis and aplasia of uterus
• Q51.1 Doubling of uterus with doubling of cervix and vagina
• Q51.10 Doubling of uterus with doubling of cervix and vagina without obstruction
• Q51.11 Doubling of uterus with doubling of cervix and vagina with obstruction
• Q51.2 Other doubling of uterus
• Q51.21 Complete doubling of uterus (this code)
• Q51.22 Partial doubling of uterus
• Q51.28 Other and unspecified doubling of uterus
• Q51.3 Bicornate uterus
• Q51.4 Unicornate uterus
• Q51.5 Agenesis and aplasia of cervix