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Disorders of muscle in diseases classified elsewhere M63

The ICD10 code for the diagnosis "Disorders of muscle in diseases classified elsewhere" is "M63". M63 is NOT a 'valid' or 'billable' ICD10 code. Please select a more specific diagnosis below.

  • M63 should not be used for reimbursement purposes. Please select a more specific diagnosis below.
  • The 2019 edition of ICD-10-CM M63 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of M63 - other international versions of ICD-10 M63 may differ.
Code First:
  • underlying disease, such as:
  • leprosy (A30.-)
  • neoplasm (C49.-, C79.89, D21.-, D48.1)
  • schistosomiasis (B65.-)
  • trichinellosis (B75)
Type 1 Excludes:
  • 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)

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.