Q51.21

Complete doubling of uterus

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · Q51.21
Synonyms

Complete septate uterus

Inherited from Q51.2Other doubling of uterus
Synonyms

Doubling of uterus NOS Septate uterus

Inherited from Q50-Q56Congenital malformations of genital organs
Excludes 1

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

Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2

inborn errors of metabolism (E70-E88)

Note

Codes from this chapter are not for use on maternal records

Official Guidelines for Q51.21

FY 2026 ›
I.C.17Chapter-specific guidanceChapter 17: Congenital malformations, deformations, and chromosomal abnormalities (Q00-QA1)

Sections that reference Q51.21

Sections whose FY 2026 text names Q51.21, its Q51 category, or a range containing it — the chapter guidance above is the authoritative source.

Find Q51.21 in the alphabetic index

2 index paths lead to this code