2026 ICD-10-CM Diagnosis Code Q27Other congenital malformations of peripheral vascular system

ICD-10-CM Codes›Q00-Q99›Q20-Q28›Q27

ICD-10-CM Q27
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q27 is a non-billable ICD-10-CM category code for other congenital malformations of peripheral vascular system, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Q27.0, Q27.1, Q27.2, and Q27.30.

Code Identity

ICD-10-CM Code
Q27
Billable Status
No — Non-Billable Category
Code Describes
Other congenital malformations of peripheral vascular system
Chapter
Q20-Q28
Congenital malformations of the circulatory system

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ20-Q28Congenital malformations of the circulatory system
CategoryQ27Other congenital malformations of peripheral vascular system
This CodeQ27Other congenital malformations of peripheral vascular system

Specific Coding for Other congenital malformations of peripheral vascular systemOverview

Non-specific codes like Q27 require more characters. Use one of these billable codes instead:

  • Use Q27.0 for Congenital absence and hypoplasia of umbilical artery

  • Use Q27.1 for Congenital renal artery stenosis

  • Use Q27.2 for Other congenital malformations of renal artery

  • Q27.3 for Arteriovenous malformation (peripheral)

  • Use Q27.30 for Arteriovenous malformation, site unspecified

  • Use Q27.31 for Arteriovenous malformation of vessel of upper limb

  • Use Q27.32 for Arteriovenous malformation of vessel of lower limb

  • Use Q27.33 for Arteriovenous malformation of digestive system vessel

  • Use Q27.34 for Arteriovenous malformation of renal vessel

  • Use Q27.39 for Arteriovenous malformation, other site

  • Use Q27.4 for Congenital phlebectasia

  • Use Q27.8 for Other specified congenital malformations of peripheral vascular system

  • Use Q27.9 for Congenital malformation of peripheral vascular system, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 2 Excludes

  • 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

Patient EducationClinical

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Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Q27Overview

Is Q27 (Other congenital malformations of peripheral vascular system) a billable code?

No. This is a category header that groups the codes for other congenital malformations of peripheral vascular system, and headers cannot be submitted on claims. Claims for other congenital malformations of peripheral vascular system need a more specific code from this category, such as Q27.0, Q27.1, and Q27.2.