M00-M99ICD-10-CM chapter

Diseases of the musculoskeletal system and connective tissue

M00-M99 covers the ICD-10-CM codes for diseases of the musculoskeletal system and connective tissue79 categories. Select one to see its codes, billable status, and coding notes.

Categories in M00-M99

M00Pyogenic arthritisM01Direct infections of joint in infectious and parasitic diseases classified elsewhereM02Postinfective and reactive arthropathiesM04Autoinflammatory syndromesM05Rheumatoid arthritis with rheumatoid factorM06Other rheumatoid arthritisM07Enteropathic arthropathiesM08Juvenile arthritisM10GoutM11Other crystal arthropathiesM12Other and unspecified arthropathyM13Other arthritisM14Arthropathies in other diseases classified elsewhereM15PolyosteoarthritisM16Osteoarthritis of hipM17Osteoarthritis of kneeM18Osteoarthritis of first carpometacarpal jointM19Other and unspecified osteoarthritisM1AChronic goutM20Acquired deformities of fingers and toesM21Other acquired deformities of limbsM22Disorder of patellaM23Internal derangement of kneeM24Other specific joint derangementsM25Other joint disorder, not elsewhere classifiedM26Dentofacial anomalies [including malocclusion]M27Other diseases of jawsM30Polyarteritis nodosa and related conditionsM31Other necrotizing vasculopathiesM32Systemic lupus erythematosus (SLE)M33DermatopolymyositisM34Systemic sclerosis [scleroderma]M35Other systemic involvement of connective tissueM36Systemic disorders of connective tissue in diseases classified elsewhereM40Kyphosis and lordosisM41ScoliosisM42Spinal osteochondrosisM43Other deforming dorsopathiesM45Ankylosing spondylitisM46Other inflammatory spondylopathiesM47SpondylosisM48Other spondylopathiesM49Spondylopathies in diseases classified elsewhereM50Cervical disc disordersM51Thoracic, thoracolumbar, and lumbosacral intervertebral disc disordersM53Other and unspecified dorsopathies, not elsewhere classifiedM54DorsalgiaM60MyositisM61Calcification and ossification of muscleM62Other disorders of muscleM63Disorders of muscle in diseases classified elsewhereM65Synovitis and tenosynovitisM66Spontaneous rupture of synovium and tendonM67Other disorders of synovium and tendonM70Soft tissue disorders related to use, overuse and pressureM71Other bursopathiesM72Fibroblastic disordersM75Shoulder lesionsM76Enthesopathies, lower limb, excluding footM77Other enthesopathiesM79Other and unspecified soft tissue disorders, not elsewhere classifiedM80Osteoporosis with current pathological fractureM81Osteoporosis without current pathological fractureM83Adult osteomalaciaM84Disorder of continuity of boneM85Other disorders of bone density and structureM86OsteomyelitisM87OsteonecrosisM88Osteitis deformans [Paget's disease of bone]M89Other disorders of boneM90Osteopathies in diseases classified elsewhereM91Juvenile osteochondrosis of hip and pelvisM92Other juvenile osteochondrosisM93Other osteochondropathiesM94Other disorders of cartilageM95Other acquired deformities of musculoskeletal system and connective tissueM96Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classifiedM97Periprosthetic fracture around internal prosthetic jointM99Biomechanical lesions, not elsewhere classified

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