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

• of shoulder (M75.3)

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:

• alcoholic (G72.1)
• drug-induced (G72.0)

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

M62.6 Muscle strain

Excl.:

current injury - see injury of muscle by body region

M62.8 Other specified disorders of muscle

NCCS

DCS.XIII.3

Incl.:

Muscle (sheath) hernia

M62.9 Disorder of muscle, unspecified

M63* Disorders of muscle in diseases classified elsewhere

Excl.:

myopathy in:

• endocrine diseases (G73.5*)
• metabolic diseases (G73.6*)

M63.0* Myositis in bacterial diseases classified elsewhere

Incl.:

Myositis in:

• leprosy [Hansen disease] (A30.-†)
• syphilis (A51.4†, A52.7†)

M63.1* Myositis in protozoal and parasitic infections classified elsewhere

Incl.:

Myositis in:

• cysticercosis (B69.8†)
• schistosomiasis [bilharziasis] (B65.-†)
• toxoplasmosis (B58.8†)
• trichinellosis (B75†)

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