2027 ICD-10-CM Diagnosis Code I73Other peripheral vascular diseases

ICD-10-CM Codes›I00–I99›I70-I79›I73

ICD-10-CM I73
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

I73 is a non-billable ICD-10-CM category code for other peripheral vascular diseases, so it cannot be submitted on claims. Use a more specific code from this category instead, such as I73.00, I73.01, I73.1, and I73.81.

Code Identity

ICD-10-CM Code
I73
Billable Status
No — Non-Billable Category
Code Describes
Other peripheral vascular diseases
Short Description
Other peripheral vascular diseases
Same as the full description in the CMS dataset.
Chapter
I70-I79
Diseases of arteries, arterioles and capillaries

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI70-I79Diseases of arteries, arterioles and capillaries
CategoryI73Other peripheral vascular diseases
This CodeI73Other peripheral vascular diseases

Specific Coding for Other peripheral vascular diseasesOverview

Non-specific codes like I73 require more characters. Use one of these billable codes instead:

  • I73.0 for Raynaud's syndrome

  • Use I73.00 for Raynaud's syndrome without gangrene

  • Use I73.01 for Raynaud's syndrome with gangrene

  • Use I73.1 for Thromboangiitis obliterans [Buerger's disease]

  • I73.8 for Other specified peripheral vascular diseases

  • Use I73.81 for Erythromelalgia

  • Use I73.89 for Other specified peripheral vascular diseases

  • Use I73.9 for Peripheral vascular disease, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to I73: its own notes plus those printed at Chapter 9. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

On I73 itself
From Chapter 9 (I00-I99) Diseases of the circulatory system applies to 1,433 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name I73, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming I73: they are not reported together with it, unless the two conditions are unrelated.

  • I96 Gangrene, not elsewhere classified
    gangrene in other peripheral vascular diseases (I73.-)

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About I73Overview

What is the ICD-10 code for other peripheral vascular diseases?

I73 is the ICD-10-CM category for other peripheral vascular diseases, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is I73 (Other peripheral vascular diseases) a billable code?

No. This is a category header that groups the codes for other peripheral vascular diseases, and headers cannot be submitted on claims. Claims for other peripheral vascular diseases need a more specific code from this category, such as I73.00, I73.01, and I73.1.