I73
⚠ Non-billable
Other peripheral vascular diseases
ICD-10-CM · FY2026 · Diseases of the Circulatory System
Code
I73
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Circulatory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes2 — not included here, but may code together
- chilblains (T69.1)
- frostbite (T33-T34)
- immersion hand or foot (T69.0-)
- spasm of cerebral artery (G45.9)
Frequently asked questions
What is ICD-10 code I73?
ICD-10-CM code I73 represents Other peripheral vascular diseases. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.
Is I73 billable?
No. I73 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is I73 in?
I73 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.
Related codes in the I73 category
I73.0
Raynaud's syndrome
Non-billable
I73.1
Thromboangiitis obliterans [Buerger's disease]
Billable
I73.8
Other specified peripheral vascular diseases
Non-billable
I73.9
Peripheral vascular disease, unspecified
Billable
I73.00
Raynaud's syndrome without gangrene
Billable
I73.01
Raynaud's syndrome with gangrene
Billable
I73.81
Erythromelalgia
Billable
I73.89
Other specified peripheral vascular diseases
Billable
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