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I73

⚠ Non-billable (Header)

Other peripheral vascular diseases

Diseases of the circulatory system (I00-I99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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⚠️ Excludes2

direct

May be coded together if both conditions coexist

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

Child Codes (4)

I73.0Raynaud's syndromeI73.1Thromboangiitis obliterans [Buerger's disease]I73.8Other specified peripheral vascular diseasesI73.9Peripheral vascular disease, unspecified

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Code Information

CodeI73
BillableNo — Header code
CategoryDiseases of the circulatory system (I00-I99)
Excludes10 rule(s)
Excludes24 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)