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Q27.4

Q27.4: Congenital phlebectasia

Billable / specific codeICD-10-CMPOA exempt

Q27.4 is a billable, specific ICD-10-CM code for congenital phlebectasia. It is valid for submission on a claim.

Check Q27.4 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above Q27.4

Not part of this code, but both may be coded when both are present.

Written on Q27: Other congenital malformations of peripheral vascular system

  • anomalies of cerebral and precerebral vessels (Q28.0-Q28.3)
  • anomalies of coronary vessels (Q24.5)
  • anomalies of pulmonary artery (Q25.5-Q25.7)
  • congenital retinal aneurysm (Q14.1)
  • hemangioma and lymphangioma (D18.-)

Risk adjustment

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

Medicare coverage

Q27.4 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
  • A56691Billing and Coding: Cardiac Computed Tomography & Angiography (CCTA)

Alphabetic index entries that lead here

  • Phlebectasia›congenital

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q27

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.