ICD-10/I73

I73 ICD 2026 Code: Other peripheral vascular diseases

I73 is the authoritative medical code for Other peripheral vascular diseases. This classification is used in medical billing and clinical recording to specify the clinical criteria for other peripheral vascular diseases (ICD-10-CM I73), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Other peripheral vascular diseases is a non-billable ICD-10-CM category code I73. A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): chilblains T69.1; frostbite T33-T34; immersion hand or foot T69.0-; spasm of cerebral artery G45.9.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for I73 in the official ICD-10-CM tabular list.

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

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

Frequently Asked Questions (FAQ) & Clinical Guidance

Can I73 be billed directly?

No. I73 (Other peripheral vascular diseases) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Can I73 be reported alongside related conditions?

Per Excludes2 instructions, I73 and the following may both be reported when both are present: chilblains (T69.1); frostbite (T33-T34); immersion hand or foot (T69.0-); spasm of cerebral artery (G45.9).

Codes in This Family (7)

Official ICD-10-CM classifications in the same code family as I73, with their registry titles.

  • I73.0 — Raynaud's syndrome
  • I73.01 — Raynaud's syndrome with gangrene
  • I73.1 — Thromboangiitis obliterans [Buerger's disease]
  • I73.8 — Other specified peripheral vascular diseases
  • I73.81 — Erythromelalgia
  • I73.89 — Other specified peripheral vascular diseases
  • I73.9 — Peripheral vascular disease, unspecified

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code I68 Cerebrovascular disorders in diseases classified elsewhere
ICD Code I69 Sequelae of cerebrovascular disease
ICD Code I70 Atherosclerosis
ICD Code I71 Aortic aneurysm and dissection
ICD Code I72 Other aneurysm
ICD Code I74 Arterial embolism and thrombosis
ICD Code I75 Atheroembolism
ICD Code I76 Septic arterial embolism
ICD Code I77 Other disorders of arteries and arterioles
ICD Code I78 Diseases of capillaries
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