ICD-10-CM 2027 · M60-M63

Disorders of muscles

Part of chapter 13, diseases of the musculoskeletal system and connective tissue.

About M60-M63

Block M60-M63 contains 4 categories and 420 billable codes for FY2027. No codes here changed in the FY2027 update. 0 codes are MCCs and 40 are CCs when reported as secondary diagnoses.

M60Myositis

M60.0Infective myositis
M60.1Interstitial myositis
M60.2Foreign body granuloma of soft tissue, not elsewhere classified
M60.8Other myositis
M60.9Myositis, unspecified

M61Calcification and ossification of muscle

M61.0Myositis ossificans traumatica
M61.1Myositis ossificans progressiva
M61.2Paralytic calcification and ossification of muscle
M61.3Calcification and ossification of muscles associated with burns
M61.4Other calcification of muscle
M61.5Other ossification of muscle
M61.9Calcification and ossification of muscle, unspecified

M62Other disorders of muscle

M62.0Separation of muscle (nontraumatic)
M62.1Other rupture of muscle (nontraumatic)
M62.2Nontraumatic ischemic infarction of muscle
M62.3Immobility syndrome (paraplegic)
M62.4Contracture of muscle
M62.5Muscle wasting and atrophy, not elsewhere classified
M62.8Other specified disorders of muscle
M62.9Disorder of muscle, unspecified

M63Disorders of muscle in diseases classified elsewhere

M63.8Disorders of muscle in diseases classified elsewhere

Block notes

Excludes1

dermatopolymyositis (M33.-)
myopathy in amyloidosis (E85.-)
myopathy in polyarteritis nodosa (M30.0)
myopathy in rheumatoid arthritis (M05.32)
myopathy in scleroderma (M34.-)
myopathy in Sjögren's syndrome (M35.03)
myopathy in systemic lupus erythematosus (M32.-)

Excludes2

muscular dystrophies and myopathies (G71-G72)