AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2020 Issue 4; New/Revised ICD-10-CM Codes

Congenital Myopathies

Codes have been created for congenital myopathies as follows: G71.20, Congenital myopathy, unspecified; G71.21, Nemaline myopathy; G71.220, X-linked myotubular myopathy; G71.228, Other centronuclear myopathy; and G71.29, Other congenital myopathy. The congenital myopathies are a group of muscle disorders with onset generally at birth or in infancy. These typically cause weakness, with poor muscle tone or floppiness, difficulty breathing or feeding, and lagging behind in meeting normal developmental milestones such as turning over or sitting up. The congenital myopathies have traditionally been grouped broadly based on histopathological findings from muscle biopsy. These have...

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