I73.01 — Raynaud's syndrome with gangrene
I73.01 is a billable, specific ICD-10-CM code for raynaud's syndrome with gangrene. It is valid for submission on a claim.
Excludes2 inherited from the categories above I73.01
Also inherited, and the opposite of Excludes1: these conditions are not part of I73.01, but a patient can have both, so you may code both.
Other codes that can never be billed with I73.01
These codes carry an Excludes1 note pointing at I73.01. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading I73.01 alone.
- I96Gangrene, not elsewhere classified
Risk adjustment
I73.01 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 263 Atherosclerosis of Arteries of the Extremities with Ulceration or Gangrene1.118 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
I73.01 is named in 33 Medicare coverage policies — 33 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52996Billing and Coding: Routine Foot Care
- A53057Billing and Coding: Home Health Occupational Therapy
- A53058Billing and Coding: Home Health Physical Therapy
- A53064Billing and Coding: Outpatient Occupational Therapy
How I73.01 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to I73.01.
- Gangrene, gangrenous›Raynaud's(symmetric gangrene)
- Gangrene, gangrenous›symmetrical
- Raynaud's disease, phenomenon or syndrome›with gangrene(symmetric)
- Asphyxia, asphyxiation›local›with gangrene
- Cyanosis›paroxysmal digital›with gangrene
- Phenomenon›Raynaud's›with gangrene
- Syndrome›Raynaud's›with gangrene
Code history
I73.01 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share I73.0. If I73.01 is not quite right, the correct code is usually one of these.
Questions about I73.01
- Is I73.01 a billable ICD-10-CM code?
- Yes. I73.01 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I73.01 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Diseases of arteries, arterioles and capillaries (I70-I79).