ICD-10 · PDGM grouping
G65 Sequelae of inflammatory and toxic polyneuropathies
All 3 codes in the G65 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
3
Can lead a claim
3
Cannot lead a claim
0
What CMS assigns to G65
All 3 codes group to Neuro Rehabilitation. None of the 3 is assigned a comorbidity subgroup. Every code can lead a claim. CMS attaches a code-first note to all 3.
Code first
CMS grouper convention 12, on all 3 codes. Code first:
- underlying disease
Every code in G65
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 |
|---|---|---|---|---|
| G65.0 | Sequelae of Guillain-Barre syndrome | Can lead a claim, code first applies | B | None |
| G65.1 | Sequelae of other inflammatory polyneuropathy | Can lead a claim, code first applies | B | None |
| G65.2 | Sequelae of toxic polyneuropathy | Can lead a claim, code first applies | B | 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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