Chapter XIII

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


M70	Soft tissue disorders related to use, overuse and pressure
	[See site code at the beginning of this chapter ]
	Includes:	soft tissue disorders of occupational origin
	Excludes:	bursitis (of): · NOS ( M71.9 ) · shoulder ( M75.5 ) enthesopathies ( M76-M77 )
M70.0	Chronic crepitant synovitis of hand and wrist
M70.1	Bursitis of hand
M70.2	Olecranon bursitis
M70.3	Other bursitis of elbow
M70.4	Prepatellar bursitis
M70.5	Other bursitis of knee
M70.6	Trochanteric bursitis
	Trochanteric tendinitis
M70.7	Other bursitis of hip
	Ischial bursitis
M70.8	Other soft tissue disorders related to use, overuse and pressure
M70.9	Unspecified soft tissue disorder related to use, overuse and pressure


M71	Other bursopathies
	[See site code at the beginning of this chapter ]
	Excludes:	bunion ( M20.1 ) bursitis related to use, overuse and pressure ( M70.- ) enthesopathies ( M76-M77 )
M71.0	Abscess of bursa
M71.1	Other infective bursitis
M71.2	Synovial cyst of popliteal space [Baker]
	Excludes:	with rupture ( M66.0 )
M71.3	Other bursal cyst
	Synovial cyst NOS
	Excludes:	synovial cyst with rupture ( M66.1 )
M71.4	Calcium deposit in bursa
	Excludes:	of shoulder ( M75.3 )
M71.5	Other bursitis, not elsewhere classified
	Excludes:	bursitis (of): · NOS ( M71.9 ) · shoulder ( M75.5 ) · tibial collateral [Pellegrini-Stieda] ( M76.4 )
M71.8	Other specified bursopathies
M71.9	Bursopathy, unspecified
	Bursitis NOS


M72	Fibroblastic disorders
	[See site code at the beginning of this chapter ]
	Excludes:	retroperitoneal fibromatosis ( D48.3 )
M72.0	Palmar fascial fibromatosis [Dupuytren]
M72.1	Knuckle pads
M72.2	Plantar fascial fibromatosis
	Plantar fasciitis
M72.4	Pseudosarcomatous fibromatosis
	Nodular fasciitis
M72.6	Necrotizing fasciitis
	Use additional code, if desired, to identify infectious agent
M72.8	Other fibroblastic disorders
	Abscess of fascia
	Excludes:	fasciitis: · diffuse (eosinophilic) ( M35.4 ) · necrotizing ( M72.6 ) · nodular ( M72.4 ) · perirenal: · NOS ( N13.5 ) · with infection ( N13.6 ) · plantar ( M72.2 )
M72.9	Fibroblastic disorder, unspecified
	Fasciitis NOS Fibromatosis NOS


M73*		Soft tissue disorders in diseases classified elsewhere
		[See site code at the beginning of this chapter ]
M73.0*		Gonococcal bursitis ( A54.4+ )
M73.1*		Syphilitic bursitis ( A52.7+ )
M73.8*		Other soft tissue disorders in diseases classified elsewhere


M75	Shoulder lesions
	Excludes:	shoulder-hand syndrome ( M89.0 )
M75.0	Adhesive capsulitis of shoulder
	Frozen shoulder Periarthritis of shoulder
M75.1	Rotator cuff syndrome
	Rotator cuff or supraspinatus tear or rupture (complete)(incomplete), not specified as traumatic Supraspinatus syndrome
M75.2	Bicipital tendinitis
M75.3	Calcific tendinitis of shoulder
	Calcified bursa of shoulder
M75.4	Impingement syndrome of shoulder
M75.5	Bursitis of shoulder
M75.8	Other shoulder lesions
M75.9	Shoulder lesion, unspecified


M76	Enthesopathies of lower limb, excluding foot
	[See site code at the beginning of this chapter ]
	Note:	The superficially specific terms bursitis, capsulitis and tendinitis tend to be used indiscriminately for various disorders of peripheral ligamentous or muscular attach-ments; most of these conditions have been brought together as enthesopathies which is the generic term for lesions at these sites.
	Excludes:	bursitis due to use, overuse and pressure ( M70.- )
M76.0	Gluteal tendinitis
M76.1	Psoas tendinitis
M76.2	Iliac crest spur
M76.3	Iliotibial band syndrome
M76.4	Tibial collateral bursitis [Pellegrini-Stieda]
M76.5	Patellar tendinitis
M76.6	Achilles tendinitis
	Achilles bursitis
M76.7	Peroneal tendinitis
M76.8	Other enthesopathies of lower limb, excluding foot
	Anterior tibial syndrome Posterior tibial tendinitis
M76.9	Enthesopathy of lower limb, unspecified


M77	Other enthesopathies
	[See site code at the beginning of this chapter ]
	Excludes:	bursitis: · NOS ( M71.9 ) · due to use, overuse and pressure ( M70.- ) osteophyte ( M25.7 ) spinal enthesopathy ( M46.0 )
M77.0	Medial epicondylitis
M77.1	Lateral epicondylitis
	Tennis elbow
M77.2	Periarthritis of wrist
M77.3	Calcaneal spur
M77.4	Metatarsalgia
	Excludes:	Morton's metatarsalgia ( G57.6 )
M77.5	Other enthesopathy of foot
M77.8	Other enthesopathies, not elsewhere classified
M77.9	Enthesopathy, unspecified
	Bone spur NOS Capsulitis NOS Periarthritis NOS Tendinitis NOS


M79	Other soft tissue disorders, not elsewhere classified
	[See site code at the beginning of this chapter ]
	Excludes:	soft tissue pain, psychogenic ( F45.4 )
M79.0	Rheumatism, unspecified
	Excludes:	fibromyalgia ( M79.7 ) palindromic rheumatism ( M12.3 )
M79.1	Myalgia
	Excludes:	myositis ( M60.- )
M79.2	Neuralgia and neuritis, unspecified
	Excludes:	mononeuropathies ( G56-G58 ) radiculitis:
		· NOS · brachial NOS · lumbosacral NOS	} } }	( M54.1 )
		sciatica ( M54.3-M54.4 )
M79.3	Panniculitis, unspecified
	Excludes:	panniculitis: · lupus ( L93.2 ) · neck and back ( M54.0 ) · relapsing [Weber-Christian] ( M35.6 )
M79.4	Hypertrophy of (infrapatellar) fat pad
M79.5	Residual foreign body in soft tissue
	Excludes:	foreign body granuloma of: · skin and subcutaneous tissue ( L92.3 ) · soft tissue ( M60.2 )
M79.6	Pain in limb
M79.7	Fibromyalgia
	Fibromyositis Fibrositis Myofibrositis
M79.8	Other specified soft tissue disorders
M79.9	Soft tissue disorder, unspecified