Q51.4
BillableUnicornate uterus
Unicornate uterus
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Unicornate uterus with or without a separate uterine horn
- Uterus with only one functioning horn
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(9)
Q51.0Agenesis and aplasia of uterus
Q51.1Doubling of uterus with doubling of cervix and vagina
Q51.2Other doubling of uterus
Q51.3Bicornate uterus
Q51.5Agenesis and aplasia of cervix
Q51.6Embryonic cyst of cervix
Q51.7Congen fistulae betw uterus and digestive and urinary tracts
Q51.8Other congenital malformations of uterus and cervix
Q51.9Congenital malformation of uterus and cervix, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(27)
SNOMED CT
UMLS
- Congenital absence of one uterine hornC0266389
- Hemi-uterusC0266389
- Unicornate uterusC0266389
- Unicornuate uterusC0266389
- Uterus unicornisC0266389
- Uterus unicornis (disorder)C0266389
- Uterus with only one functioning hornC0266389
- unicornate uterusC0266389
- unicornis uterusC0266389
- uterus unicornisC0266389
- Unicornate uterus with or without a separate uterine hornC2921110
Clinical Terms
- Congenital absence of one uterine horn
- uterus unicornis
- Uterus unicornis (disorder)
- Uterus with only one functioning horn
- Hemi-uterus without rudimentary cavity
- Unicornuate uterus
- Unicornate uterus with or without a separate uterine horn
- Hemi-uterus with rudimentary cavity
- Hemi-uterus
- unicornis uterus
Frequently Asked Questions
What is the ICD-10 code for unicornate uterus?
The ICD-10-CM code for unicornate uterus is Q51.4. The full clinical description is "Unicornate uterus". Q51.4 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q51.4 mean?
ICD-10-CM code Q51.4 represents “Unicornate uterus”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.
Is Q51.4 a billable code?
Yes, Q51.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q51.4 in?
Q51.4 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What codes cannot be used with Q51.4?
Q51.4 has Excludes1 notes indicating codes that cannot be used together with it, including: androgen insensitivity syndrome (E34.5-); syndromes associated with anomalies in the number and form of chromosomes (Q90-Q99).
What SNOMED CT codes does Q51.4 map to?
Q51.4 maps to 3 SNOMED CT concepts: 1372004, 1366718004, 1366721002. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q51.4?
Q51.4 is linked to 2 UMLS Concept Unique Identifiers: C0266389, C2921110. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q51.4 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unicornate uterus affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of Q51.4?
Q51.4 maps to the ICD-11 code: LB44.2 (Unicornuate uterus).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.