Current
M63 — Disorders of muscle in diseases classified elsewhere
Part of Chapter 13: Diseases of the musculoskeletal system and connective tissue , block Disorders of muscles (M60-M63) .
Official Notes
Code First
underlying disease, such as:
Code First
leprosy ( A30 .-)
Code First
schistosomiasis ( B65 .-)
Code First
trichinellosis ( B75 )
Excludes1
myopathy in cysticercosis ( B69.81 )
Excludes1
myopathy in endocrine diseases ( G73.7 )
Excludes1
myopathy in metabolic diseases ( G73.7 )
Excludes1
myopathy in sarcoidosis ( D86.87 )
Excludes1
myopathy in secondary syphilis ( A51.49 )
Excludes1
myopathy in syphilis (late) ( A52.78 )
Excludes1
myopathy in toxoplasmosis ( B58.82 )
Excludes1
myopathy in tuberculosis ( A18.09 )
Child Codes
FY 2027 effective October 1, 2026 · CDC NCHS and CMS