---
title: "ICD-10-CM I73.1: Thromboangiitis obliterans [Buerger's… | BillingBrief"
description: "ICD-10-CM code I73.1: Thromboangiitis obliterans [Buerger's disease]. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/i73.1/"
language: "en"
---

# I73.1 Thromboangiitis obliterans \[Buerger's disease\]

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Thromboangiitis obliterans \[Buerger's disease\]

## Related codes

-   [`I73.00` Raynaud's syndrome without gangrene ICD-10-CM](https://billingbrief.com/icd10/i73.00/)
-   [`I73.01` Raynaud's syndrome with gangrene ICD-10-CM](https://billingbrief.com/icd10/i73.01/)
-   [`I73.81` Erythromelalgia ICD-10-CM](https://billingbrief.com/icd10/i73.81/)
-   [`I73.89` Other specified peripheral vascular diseases ICD-10-CM](https://billingbrief.com/icd10/i73.89/)
-   [`I73.9` Peripheral vascular disease, unspecified ICD-10-CM](https://billingbrief.com/icd10/i73.9/)

## Common questions

### Is I73.1 a billable code?

Yes. I73.1 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

I73 Other peripheral vascular diseases

Chapter

Diseases of the circulatory system

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).