I73 Other peripheral vascular diseases

Category / Non-billable header 8 subcodes

Block: Diseases of arteries, arterioles and capillaries (I70-I79)

Excludes 2 (not included here)

  • chilblains (T69.1)
  • frostbite (T33-T34)
  • immersion hand or foot (T69.0-)
  • spasm of cerebral artery (G45.9)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
I73..0 Raynaud's syndrome No
I73..00 Raynaud's syndrome without gangrene Yes
I73..01 Raynaud's syndrome with gangrene Yes
I73..1 Thromboangiitis obliterans [Buerger's disease] Yes
I73..8 Other specified peripheral vascular diseases No
I73..81 Erythromelalgia Yes
I73..89 Other specified peripheral vascular diseases Yes
I73..9 Peripheral vascular disease, unspecified Yes

Last reviewed: September 2026