International Statistical Classification of Diseases and Related Health Problems 10th Revision (ICD-10)-WHO Version for ;2019-covid-expanded

Chapter XIII
Diseases of the musculoskeletal system and connective tissue
(M00-M99)

Soft tissue disorders
(M60-M79)

Disorders of muscles
(M60-M63)

Excl.:
dermatopolymyositis (M33.-)
muscular dystrophies and myopathies (G71-G72)
myopathy in:
  • amyloidosis (E85.-)
  • polyarteritis nodosa (M30.0)
  • rheumatoid arthritis (M05.3)
  • scleroderma (M34.-)
  • Sjögren syndrome (M35.0)
  • systemic lupus erythematosus (M32.-)

M60 Myositis

Modifier-Hint
[See site code at the beginning of this chapter]
M60.0 Infective myositis
Incl.:
Tropical pyomyositis
Coding-Hint
Use additional code (B95-B98), if desired, to identify infectious agent.
M60.1 Interstitial myositis
M60.2 Foreign body granuloma of soft tissue, not elsewhere classified
Excl.:
foreign body granuloma of skin and subcutaneous tissue (L92.3)
M60.8 Other myositis
M60.9 Myositis, unspecified

M61 Calcification and ossification of muscle

Modifier-Hint
[See site code at the beginning of this chapter]
M61.0 Myositis ossificans traumatica
M61.1 Myositis ossificans progressiva
Incl.:
Fibrodysplasia ossificans progressiva
M61.2 Paralytic calcification and ossification of muscle
Incl.:
Myositis ossificans associated with quadriplegia or paraplegia
M61.3 Calcification and ossification of muscles associated with burns
Incl.:
Myositis ossificans associated with burns
M61.4 Other calcification of muscle
Excl.:
calcific tendinitis (M65.2)
calcific tendinitis
M61.5 Other ossification of muscle
M61.9 Calcification and ossification of muscle, unspecified

M62 Other disorders of muscle

Modifier-Hint
[See site code at the beginning of this chapter]
Excl.:
cramp and spasm (R25.2)
myalgia (M79.1)
myopathy:
stiff-man syndrome (G25.8)
M62.0 Diastasis of muscle
M62.1 Other rupture of muscle (nontraumatic)
Excl.:
rupture of tendon (M66.-)
traumatic rupture of muscle - see injury of muscle by body region
M62.2 Ischaemic infarction of muscle
Incl.:
Compartment syndrome, non-traumatic
Excl.:
compartment syndrome, traumatic (T79.6)
traumatic ischaemia of muscle (T79.6)
Volkmann ischaemic contracture (T79.6)
M62.3 Immobility syndrome (paraplegic)
M62.4 Contracture of muscle
Excl.:
contracture of joint (M24.5)
M62.5 Muscle wasting and atrophy, not elsewhere classified
Incl.:
Disuse atrophy NEC
Sarcopenia
M62.6 Muscle strain
Excl.:
current injury - see injury of muscle by body region
M62.8 Other specified disorders of muscle
Incl.:
Muscle (sheath) hernia
M62.9 Disorder of muscle, unspecified

M63* Disorders of muscle in diseases classified elsewhere

Excl.:
myopathy in:
M63.0* Myositis in bacterial diseases classified elsewhere
Incl.:
Myositis in:
M63.1* Myositis in protozoal and parasitic infections classified elsewhere
Incl.:
Myositis in:
M63.2* Myositis in other infectious diseases classified elsewhere
Incl.:
Myositis in mycosis (B35-B49†)
M63.3* Myositis in sarcoidosis (D86.8†)
M63.8* Other disorders of muscle in diseases classified elsewhere