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I73.9

✓ Billable

Peripheral vascular disease, unspecified

Diseases of the circulatory system (I00-I99)

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Also Known As

Intermittent claudicationPeripheral angiopathy NOSSpasm of artery

❌ Excludes1

direct

Cannot be coded with I73.9

  • • atherosclerosis of the extremities (I70.2--I70.7-)

⚠️ Excludes2

inherited from I73

Rules from parent category I73: Other peripheral vascular diseases

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

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Code Information

CodeI73.9
BillableYes
ParentI73
CategoryDiseases of the circulatory system (I00-I99)
Excludes11 rule(s)
Excludes24 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)