ICD-10 · PDGM grouping
G10-G14 — Systemic atrophies primarily affecting the central nervous system
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.2.26.
Codes in range
28
No clinical group
4
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
24 of the 28 codes in G10-G14 group to Neuro Rehabilitation. A further 4 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Code families in G10-G14
One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.
Every code in G10-G14
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| G10 | Huntington's disease | B | Can lead a claim |
| G110 | Congenital nonprogressive ataxia | B | Can lead a claim |
| G1110 | Early-onset cerebellar ataxia, unspecified | B | Can lead a claim |
| G1111 | Friedreich ataxia | B | Can lead a claim |
| G1119 | Other early-onset cerebellar ataxia | B | Can lead a claim |
| G112 | Late-onset cerebellar ataxia | B | Can lead a claim |
| G113 | Cerebellar ataxia with defective DNA repair | B | Can lead a claim |
| G114 | Hereditary spastic paraplegia | B | Can lead a claim |
| G115 | Hypomyelination - hypogonadotropic hypogonadism - hypodontia | B | Can lead a claim |
| G116 | Leukodystrophy with vanishing white matter disease | B | Can lead a claim |
| G118 | Other hereditary ataxias | B | Can lead a claim |
| G119 | Hereditary ataxia, unspecified | B | Can lead a claim |
| G120 | Infantile spinal muscular atrophy, type I [Werdnig-Hoffman] | B | Can lead a claim |
| G121 | Other inherited spinal muscular atrophy | B | Can lead a claim |
| G1220 | Motor neuron disease, unspecified | B | Can lead a claim |
| G1221 | Amyotrophic lateral sclerosis | B | Can lead a claim |
| G1222 | Progressive bulbar palsy | B | Can lead a claim |
| G1223 | Primary lateral sclerosis | B | Can lead a claim |
| G1224 | Familial motor neuron disease | B | Can lead a claim |
| G1225 | Progressive spinal muscle atrophy | B | Can lead a claim |
| G1229 | Other motor neuron disease | B | Can lead a claim |
| G128 | Other spinal muscular atrophies and related syndromes | B | Can lead a claim |
| G129 | Spinal muscular atrophy, unspecified | B | Can lead a claim |
| G130 | Paraneoplastic neuromyopathy and neuropathy | None | Cannot lead a claim |
| G131 | Oth systemic atrophy aff cnsl in neoplastic disease | None | Cannot lead a claim |
| G132 | Systemic atrophy primarily affecting the cnsl in myxedema | None | Cannot lead a claim |
| G138 | Systemic atrophy aff cnsl in oth diseases classd elswhr | None | Cannot lead a claim |
| G14 | Postpolio syndrome | B | Can lead a claim |
Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. 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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