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Q51.4

Q51.4: Unicornate uterus

Billable / specific codeICD-10-CMPOA exempt

Q51.4 is a billable, specific ICD-10-CM code for unicornate uterus. It is valid for submission on a claim.

Check Q51.4 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

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

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Q51.4 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56421Billing and Coding: CT of the Abdomen and Pelvis

Alphabetic index entries that lead here

  • Unicornate uterus
  • Anomaly, anomalous›uterus›with only one functioning horn

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q51

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.