ICD-10 · PDGM grouping
I73 Other peripheral vascular diseases
All 6 codes in the I73 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
6
Can lead a claim
6
Cannot lead a claim
0
What CMS assigns to I73
All 6 codes group to MMTA - Cardiac and Circulatory (5) and Wound (1). 1 of the 6 counts toward the Atherosclerosis, includes Peripheral Vascular Disease, Aortic Aneurysms and Hypotension comorbidity subgroup; 5 are assigned none. Every code can lead a claim.
- Atherosclerosis, includes Peripheral Vascular Disease, Aortic Aneurysms and Hypotension: counts toward the high comorbidity tier only in an interaction pair.
Every code in I73
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| I73.0 Raynaud's syndrome | ||||
| I73.00 | Raynaud's syndrome without gangrene | Can lead a claim | H | None |
| I73.01 | Raynaud's syndrome with gangrene | Can lead a claim | C | None |
| I73.1 | Thromboangiitis obliterans [Buerger's disease] | Can lead a claim | H | None |
| I73.8 Other specified peripheral vascular diseases | ||||
| I73.81 | Erythromelalgia | Can lead a claim | H | None |
| I73.89 | Other specified peripheral vascular diseases | Can lead a claim | H | None |
| I73.9 | Peripheral vascular disease, unspecified | Can lead a claim | H | Atherosclerosis, includes Peripheral Vascular Disease, Aortic Aneurysms and Hypotension |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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