October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

G71 Primary disorders of muscles

All 28 codes in the G71 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.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in family

28

Can lead a claim

27

Cannot lead a claim

1

What CMS assigns to G71

27 of the 28 codes group to Neuro Rehabilitation; 1 is assigned no clinical group. None of the 28 is assigned a comorbidity subgroup. 27 of the 28 can lead a claim.

Every code in G71

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
G71.0 Muscular dystrophy
G71.00Muscular dystrophy, unspecifiedCan lead a claimBNone
G71.01Duchenne or Becker muscular dystrophyCan lead a claimBNone
G71.02Facioscapulohumeral muscular dystrophyCan lead a claimBNone
G71.03 Limb girdle muscular dystrophies
G71.031Autosomal dominant limb girdle muscular dystrophyCan lead a claimBNone
G71.032Autosomal recessive limb girdle muscular dystrophy due to calpain-3 dysfunctionCMS: Autosom recess limb girdle musc dyst d/t calpain-3 dysfnctCan lead a claimBNone
G71.033Limb girdle muscular dystrophy due to dysferlin dysfunctionCan lead a claimBNone
G71.034 Limb girdle muscular dystrophy due to sarcoglycan dysfunction
G71.0340Limb girdle muscular dystrophy due to sarcoglycan dysfunction, unspecifiedCMS: Limb girdle musc dyst due to sarcoglycan dysfnct, unspCan lead a claimBNone
G71.0341Limb girdle muscular dystrophy due to alpha sarcoglycan dysfunctionCMS: Limb girdle musc dyst due to alpha sarcoglycan dysfunctionCan lead a claimBNone
G71.0342Limb girdle muscular dystrophy due to beta sarcoglycan dysfunctionCMS: Limb girdle musc dyst due to beta sarcoglycan dysfunctionCan lead a claimBNone
G71.0349Limb girdle muscular dystrophy due to other sarcoglycan dysfunctionCMS: Limb girdle musc dyst due to other sarcoglycan dysfunctionCan lead a claimBNone
G71.035Limb girdle muscular dystrophy due to anoctamin-5 dysfunctionCMS: Limb girdle musc dyst due to anoctamin-5 dysfunctionCan lead a claimBNone
G71.036Limb girdle muscular dystrophy due to fukutin related protein dysfunctionCMS: Limb girdle musc dyst due to fukutin related protein dysfnctCan lead a claimBNone
G71.038Other limb girdle muscular dystrophyCan lead a claimBNone
G71.039Limb girdle muscular dystrophy, unspecifiedCan lead a claimBNone
G71.09Other specified muscular dystrophiesCan lead a claimBNone
G71.1 Myotonic disorders
G71.11Myotonic muscular dystrophyCan lead a claimBNone
G71.12Myotonia congenitaCan lead a claimBNone
G71.13Myotonic chondrodystrophyCan lead a claimBNone
G71.14Drug induced myotoniaCan lead a claimBNone
G71.19Other specified myotonic disordersCan lead a claimBNone
G71.2 Congenital myopathies
G71.20Congenital myopathy, unspecifiedCan lead a claimBNone
G71.21Nemaline myopathyCan lead a claimBNone
G71.22 Centronuclear myopathy
G71.220X-linked myotubular myopathyCan lead a claimBNone
G71.228Other centronuclear myopathyCan lead a claimBNone
G71.29Other congenital myopathyCan lead a claimBNone
G71.3Mitochondrial myopathy, not elsewhere classifiedCan lead a claimBNone
G71.8Other primary disorders of musclesCan lead a claimBNone
G71.9Primary disorder of muscle, unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone

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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