I73.9 ICD-10-CM Code: Peripheral vascular disease, unspecified

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

I73.9

Peripheral vascular disease, unspecified

ICD-10-CM diagnosis code · United States clinical modification

Where I73.9 sits

  1. 1

    Chapter 9

    Diseases of the circulatory system (I00-I99)

  2. 2

    Section

    Diseases of arteries, arterioles and capillaries (I70-I79)

  3. 3

    Category I73

    Other peripheral vascular diseases

  4. 4

    Code I73.9

    Peripheral vascular disease, unspecified

Notes for this code

Inclusion terms

  • Intermittent claudication
  • Peripheral angiopathy NOS
  • Spasm of artery

Code first

No “code first” instruction is listed for I73.9.

Use additional code

No “use additional code” instruction is listed for I73.9.

Excludes1

Conditions that should not be reported together with this code.

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

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for I73.9.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code I73.9 mean?

I73.9 is the FY 2027 U.S. ICD-10-CM code for “Peripheral vascular disease, unspecified.”

Is I73.9 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, I73.9 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is I73.9 located in ICD-10-CM?

I73.9 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Diseases of arteries, arterioles and capillaries (I70-I79) (I70–I79), under category I73, Other peripheral vascular diseases.

What coding notes are listed for I73.9?

Its listed inclusion terms are Intermittent claudication; Peripheral angiopathy NOS; Spasm of artery. No code-first instruction is listed. Excludes1 notes: atherosclerosis of the extremities (I70.2--I70.7-). No Excludes2 note is listed.