I73Header code — not billable
Other peripheral vascular diseases
- Chapter
- 9. Diseases of the circulatory system
- Category
- I73
- Effective date
- October 1, 2026
Related codes in category I73
I73.0Raynaud's syndromeI73.00Raynaud's syndrome without gangreneYesI73.01Raynaud's syndrome with gangreneYesI73.1Thromboangiitis obliterans [Buerger's disease]YesI73.8Other specified peripheral vascular diseasesI73.81ErythromelalgiaYesI73.89Other specified peripheral vascular diseasesYesI73.9Peripheral vascular disease, unspecifiedYes
Frequently asked questions
What is ICD-10 code I73?
I73 is an ICD-10-CM diagnosis code for Other peripheral vascular diseases.
Is I73 a billable code?
No. I73 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is I73 in?
I73 falls under Chapter 9: Diseases of the circulatory system.
When did I73 become effective?
I73 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to I73?
I73 belongs to category I73, which includes 8 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.