ICD-10 · PDGM grouping
I77 Other disorders of arteries and arterioles
All 23 codes in the I77 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
23
Can lead a claim
21
Cannot lead a claim
2
What CMS assigns to I77
21 of the 23 codes group to MMTA - Cardiac and Circulatory; 2 are assigned no clinical group. None of the 23 is assigned a comorbidity subgroup. 21 of the 23 can lead a claim.
Every code in I77
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 |
|---|---|---|---|---|
| I77.0 | Arteriovenous fistula, acquired | Can lead a claim | H | None |
| I77.1 | Stricture of artery | Can lead a claim | H | None |
| I77.2 | Rupture of artery | Can lead a claim | H | None |
| I77.3 | Arterial fibromuscular dysplasia | Can lead a claim | H | None |
| I77.4 | Celiac artery compression syndrome | Can lead a claim | H | None |
| I77.5 | Necrosis of artery | Can lead a claim | H | None |
| I77.6 | Arteritis, unspecified | Can lead a claim | H | None |
| I77.7 Other arterial dissection | ||||
| I77.70 | Dissection of unspecified artery | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| I77.71 | Dissection of carotid artery | Can lead a claim | H | None |
| I77.72 | Dissection of iliac artery | Can lead a claim | H | None |
| I77.73 | Dissection of renal artery | Can lead a claim | H | None |
| I77.74 | Dissection of vertebral artery | Can lead a claim | H | None |
| I77.75 | Dissection of other precerebral arteries | Can lead a claim | H | None |
| I77.76 | Dissection of artery of upper extremity | Can lead a claim | H | None |
| I77.77 | Dissection of artery of lower extremity | Can lead a claim | H | None |
| I77.79 | Dissection of other specified artery | Can lead a claim | H | None |
| I77.8 Other specified disorders of arteries and arterioles | ||||
| I77.81 Aortic ectasia | ||||
| I77.810 | Thoracic aortic ectasia | Can lead a claim | H | None |
| I77.811 | Abdominal aortic ectasia | Can lead a claim | H | None |
| I77.812 | Thoracoabdominal aortic ectasia | Can lead a claim | H | None |
| I77.819 | Aortic ectasia, unspecified site | Can lead a claim | H | None |
| I77.82 | Antineutrophilic cytoplasmic antibody [ANCA] vasculitis | Can lead a claim | H | None |
| I77.89 | Other specified disorders of arteries and arterioles | Can lead a claim | H | None |
| I77.9 | Disorder of arteries and arterioles, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
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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