Q27 Other congenital malformations of peripheral vascular system

Category / Non-billable header 13 subcodes

Block: Congenital malformations of the circulatory system (Q20-Q28)

Excludes 2 (not included here)

  • 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.-)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
Q27..0 Congenital absence and hypoplasia of umbilical artery Yes
Q27..1 Congenital renal artery stenosis Yes
Q27..2 Other congenital malformations of renal artery Yes
Q27..3 Arteriovenous malformation (peripheral) No
Q27..30 Arteriovenous malformation, site unspecified Yes
Q27..31 Arteriovenous malformation of vessel of upper limb Yes
Q27..32 Arteriovenous malformation of vessel of lower limb Yes
Q27..33 Arteriovenous malformation of digestive system vessel Yes
Q27..34 Arteriovenous malformation of renal vessel Yes
Q27..39 Arteriovenous malformation, other site Yes
Q27..4 Congenital phlebectasia Yes
Q27..8 Other specified congenital malformations of peripheral vascular system Yes
Q27..9 Congenital malformation of peripheral vascular system, unspecified Yes

Last reviewed: September 2026