I73: Other peripheral vascular diseases
Codes under I73 (Other peripheral vascular diseases). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| I73.0 | Raynaud's syndrome | — |
| I73.0 | Raynaud's syndrome | — |
| I73.00 | Raynaud's syndrome without gangrene | ✓ |
| I73.00 | Raynaud's syndrome without gangrene | ✓ |
| I73.01 | Raynaud's syndrome with gangrene | ✓ |
| I73.01 | Raynaud's syndrome with gangrene | ✓ |
| I73.1 | Thromboangiitis obliterans [Buerger's disease] | ✓ |
| I73.1 | Thromboangiitis obliterans [Buerger's disease] | ✓ |
| I73.8 | Other specified peripheral vascular diseases | — |
| I73.8 | Other specified peripheral vascular diseases | — |
| I73.9 | Peripheral vascular disease, unspecified | ✓ |
| I73.9 | Peripheral vascular disease, unspecified | ✓ |
| I73.81 | Erythromelalgia | ✓ |
| I73.81 | Erythromelalgia | ✓ |
| I73.89 | Other specified peripheral vascular diseases | ✓ |
| I73.89 | Other specified peripheral vascular diseases | ✓ |
Frequently asked questions
What is ICD-10-CM code I73?
I73 is an ICD-10-CM category covering Other peripheral vascular diseases. It contains 16 more specific diagnosis codes, 12 of which are billable.
Is I73 a billable code?
No — I73 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example I73.0 — Raynaud's syndrome). 12 of the 16 codes under I73 are billable.
What codes fall under I73?
I73 includes I73.0, I73.0, I73.00, I73.00, I73.01, plus 11 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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