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G71.22 vs M60

G71.22 (Centronuclear myopathy) compared with M60 (Myositis), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. G71.22 carries an Excludes2 note covering M60: “myositis (M60.-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Yes, when both are documented. M60 carries an Excludes2 note covering G71.22: “muscular dystrophies and myopathies (G71-G72)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

G71.22Centronuclear myopathyM60Myositis
Billing statusNon-billable header

Report instead: G71.220, G71.228

Non-billable header

Report instead: M60.000, M60.001, M60.002, M60.003, M60.004

ClassificationG00-G99 — Diseases of the Nervous System (G00-G99)M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)
DefinitionCentronuclear myopathy is a non-billable ICD-10-CM category code (G71.22).Myositis is a non-billable ICD-10-CM category code (M60).
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources