Q27.30

Arteriovenous malformation, site unspecified

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from Q27.3Arteriovenous malformation (peripheral)

Excludes 1

acquired arteriovenous aneurysm (I77.0)

Excludes 2

arteriovenous malformation of cerebral vessels (Q28.2) arteriovenous malformation of precerebral vessels (Q28.0)

Synonyms

Arteriovenous aneurysm

Inherited from Q27Other congenital malformations of peripheral vascular system

Excludes 2

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.-)

Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities

Excludes 2

inborn errors of metabolism (E70-E88)

Note

Codes from this chapter are not for use on maternal records

Official Guidelines for Q27.30

FY 2026 ›

I.C.17Chapter-specific guidanceChapter 17: Congenital malformations, deformations, and chromosomal abnormalities (Q00-QA1)

Sections that reference Q27.30

IV.QEncounters for routine health screeningsOutpatient services
… Congenital conditions and anomalies Assign “Y” for congenital conditions and anomalies except for categories Q00- Q99, Congenital anomalies, which are on the exempt list. …

Sections whose FY 2026 text names Q27.30, its Q27 category, or a range containing it — the chapter guidance above is the authoritative source.

Find Q27.30 in the alphabetic index

2 index paths lead to this code