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ICD-10 CM Code M63.879

M63.879 Disorders of muscle in diseases classified elsewhere, unspecified ankle and foot

Excludes Type 1

myopathy in cysticercosis (B69.81)
myopathy in endocrine diseases (G73.7)
myopathy in metabolic diseases (G73.7)
myopathy in sarcoidosis (D86.87)
myopathy in secondary syphilis (A51.49)
myopathy in syphilis (late) (A52.78)
myopathy in toxoplasmosis (B58.82)
myopathy in tuberculosis (A18.09)