Chapter 13: Diseases of the musculoskeletal system and connective tissue
177 billable codes (3-4 characters)
M00.9 Pyogenic arthritis, unspecified M02.9 Reactive arthropathy, unspecified M04.1 Periodic fever syndromes M04.2 Cryopyrin-associated periodic syndromes M04.3 VEXAS syndrome M04.8 Other autoinflammatory syndromes M04.9 Autoinflammatory syndrome, unspecified M05.9 Rheumatoid arthritis with rheumatoid factor, unspecified M05.A Abn rheu fctr & anti-citrul protein antibody w rheu arthrit M06.1 Adult-onset Still's disease M06.4 Inflammatory polyarthropathy M06.9 Rheumatoid arthritis, unspecified M08.1 Juvenile ankylosing spondylitis M08.3 Juvenile rheumatoid polyarthritis (seronegative) M10.9 Gout, unspecified M11.9 Crystal arthropathy, unspecified M12.9 Arthropathy, unspecified M13.0 Polyarthritis, unspecified M15.0 Primary generalized (osteo)arthritis M15.1 Heberden's nodes (with arthropathy) M15.2 Bouchard's nodes (with arthropathy) M15.3 Secondary multiple arthritis M15.4 Erosive (osteo)arthritis M15.8 Other polyosteoarthritis M15.9 Polyosteoarthritis, unspecified M16.0 Bilateral primary osteoarthritis of hip M16.2 Bilateral osteoarthritis resulting from hip dysplasia M16.4 Bilateral post-traumatic osteoarthritis of hip M16.6 Other bilateral secondary osteoarthritis of hip M16.7 Other unilateral secondary osteoarthritis of hip M16.9 Osteoarthritis of hip, unspecified M17.0 Bilateral primary osteoarthritis of knee M17.2 Bilateral post-traumatic osteoarthritis of knee M17.4 Other bilateral secondary osteoarthritis of knee M17.5 Other unilateral secondary osteoarthritis of knee M17.9 Osteoarthritis of knee, unspecified M18.0 Bilateral primary osteoarth of first carpometacarp joints M18.2 Bi post-trauma osteoarth of first carpometacarp joints M18.4 Oth bi secondary osteoarth of first carpometacarp joints M18.9 Osteoarthritis of first carpometacarpal joint, unspecified M24.7 Protrusio acetabuli M24.9 Joint derangement, unspecified M25.9 Joint disorder, unspecified M26.4 Malocclusion, unspecified M26.9 Dentofacial anomaly, unspecified M27.0 Developmental disorders of jaws M27.1 Giant cell granuloma, central M27.2 Inflammatory conditions of jaws M27.3 Alveolitis of jaws M27.8 Other specified diseases of jaws M27.9 Disease of jaws, unspecified M30.0 Polyarteritis nodosa M30.1 Polyarteritis with lung involvement [Churg-Strauss] M30.2 Juvenile polyarteritis M30.3 Mucocutaneous lymph node syndrome [Kawasaki] M30.8 Other conditions related to polyarteritis nodosa M31.0 Hypersensitivity angiitis M31.2 Lethal midline granuloma M31.4 Aortic arch syndrome [Takayasu] M31.5 Giant cell arteritis with polymyalgia rheumatica M31.6 Other giant cell arteritis M31.7 Microscopic polyangiitis M31.8 Other specified necrotizing vasculopathies M31.9 Necrotizing vasculopathy, unspecified M32.0 Drug-induced systemic lupus erythematosus M32.8 Other forms of systemic lupus erythematosus M32.9 Systemic lupus erythematosus, unspecified M34.0 Progressive systemic sclerosis M34.1 CR(E)ST syndrome M34.2 Systemic sclerosis induced by drug and chemical M34.9 Systemic sclerosis, unspecified M35.1 Other overlap syndromes M35.2 Behcet's disease M35.3 Polymyalgia rheumatica M35.4 Diffuse (eosinophilic) fasciitis M35.5 Multifocal fibrosclerosis M35.6 Relapsing panniculitis [Weber-Christian] M35.7 Hypermobility syndrome M35.9 Systemic involvement of connective tissue, unspecified M36.0 Dermato(poly)myositis in neoplastic disease M36.1 Arthropathy in neoplastic disease M36.2 Hemophilic arthropathy M36.3 Arthropathy in other blood disorders M36.4 Arthropathy in hypersensitivity reactions classd elswhr M36.8 Systemic disord of conn tiss in oth diseases classd elswhr M41.9 Scoliosis, unspecified M42.9 Spinal osteochondrosis, unspecified M43.3 Recurrent atlantoaxial dislocation with myelopathy M43.4 Other recurrent atlantoaxial dislocation M43.6 Torticollis M43.9 Deforming dorsopathy, unspecified M45.0 Ankylosing spondylitis of multiple sites in spine M45.1 Ankylosing spondylitis of occipito-atlanto-axial region M45.2 Ankylosing spondylitis of cervical region M45.3 Ankylosing spondylitis of cervicothoracic region M45.4 Ankylosing spondylitis of thoracic region M45.5 Ankylosing spondylitis of thoracolumbar region M45.6 Ankylosing spondylitis lumbar region M45.7 Ankylosing spondylitis of lumbosacral region M45.8 Ankylosing spondylitis sacral and sacrococcygeal region M45.9 Ankylosing spondylitis of unspecified sites in spine M46.1 Sacroiliitis, not elsewhere classified M47.9 Spondylosis, unspecified M48.9 Spondylopathy, unspecified M51.9 Unsp thoracic, thoracolum and lumbosacr intvrt disc disorder M53.0 Cervicocranial syndrome M53.1 Cervicobrachial syndrome M53.3 Sacrococcygeal disorders, not elsewhere classified M53.9 Dorsopathy, unspecified M54.2 Cervicalgia M54.6 Pain in thoracic spine M54.9 Dorsalgia, unspecified M60.9 Myositis, unspecified M61.9 Calcification and ossification of muscle, unspecified M62.3 Immobility syndrome (paraplegic) M62.9 Disorder of muscle, unspecified M65.4 Radial styloid tenosynovitis [de Quervain] M66.0 Rupture of popliteal cyst M66.9 Spontaneous rupture of unspecified tendon M71.9 Bursopathy, unspecified M72.0 Palmar fascial fibromatosis [Dupuytren] M72.1 Knuckle pads M72.4 Pseudosarcomatous fibromatosis M72.6 Necrotizing fasciitis M72.8 Other fibroblastic disorders M72.9 Fibroblastic disorder, unspecified M76.9 Unspecified enthesopathy, lower limb, excluding foot M77.8 Other enthesopathies, not elsewhere classified M77.9 Enthesopathy, unspecified M79.0 Rheumatism, unspecified M79.2 Neuralgia and neuritis, unspecified M79.3 Panniculitis, unspecified M79.4 Hypertrophy of (infrapatellar) fat pad M79.5 Residual foreign body in soft tissue M79.7 Fibromyalgia M79.9 Soft tissue disorder, unspecified M81.0 Age-related osteoporosis w/o current pathological fracture M81.6 Localized osteoporosis [Lequesne] M81.8 Other osteoporosis without current pathological fracture M83.0 Puerperal osteomalacia M83.1 Senile osteomalacia M83.2 Adult osteomalacia due to malabsorption M83.3 Adult osteomalacia due to malnutrition M83.4 Aluminum bone disease M83.5 Other drug-induced osteomalacia in adults M83.8 Other adult osteomalacia M83.9 Adult osteomalacia, unspecified M84.9 Disorder of continuity of bone, unspecified M85.2 Hyperostosis of skull M85.9 Disorder of bone density and structure, unspecified M86.9 Osteomyelitis, unspecified M87.9 Osteonecrosis, unspecified M88.0 Osteitis deformans of skull M88.1 Osteitis deformans of vertebrae M88.9 Osteitis deformans of unspecified bone M89.9 Disorder of bone, unspecified M91.0 Juvenile osteochondrosis of pelvis M92.8 Other specified juvenile osteochondrosis M92.9 Juvenile osteochondrosis, unspecified M93.1 Kienbock's disease of adults M94.0 Chondrocostal junction syndrome [Tietze] M94.1 Relapsing polychondritis M94.9 Disorder of cartilage, unspecified M95.0 Acquired deformity of nose M95.2 Other acquired deformity of head M95.3 Acquired deformity of neck M95.4 Acquired deformity of chest and rib M95.5 Acquired deformity of pelvis M95.8 Oth acquired deformities of musculoskeletal system M95.9 Acquired deformity of musculoskeletal system, unspecified M96.0 Pseudarthrosis after fusion or arthrodesis M96.1 Postlaminectomy syndrome, not elsewhere classified M96.2 Postradiation kyphosis M96.3 Postlaminectomy kyphosis M96.4 Postsurgical lordosis M96.5 Postradiation scoliosis M99.9 Biomechanical lesion, unspecified