Q51.4

Billable

ChapterQ00–Q99

Ranksubcategory

Official Description

Unicornate uterus

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

Instructional Notes

Includes

Unicornate uterus with or without a separate uterine horn
Uterus with only one functioning horn

General instructions are available for the parent sections:

View CH17 Notes View Q50-Q56 Notes

Clinical Hierarchy

CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

Q50-Q56Congenital malformations of genital organs (Q50-Q56)

Q51Congenital malformations of uterus and cervix

Q51.4Unicornate uterus

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q51.4:

blockQ50-Q56

Congenital malformations of genital organs (Q50-Q56)

View context instructions

chapterCH17

Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Q51.4. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths

Anomaly, anomalous (congenital) (unspecified type)1 unique routes

uterus

with only one functioning horn→Q51.4

Unicornate uterus1 unique routes

Direct index entry→Q51.4