ICD-10 Chapter XIII: Diseases of the musculoskeletal system and connective tissue

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

(M00-M25) Arthropathies

(M00-M03) Infectious arthropathies

• (M00.) Pyogenic arthritis
• (M01.) Direct infections of joint in infectious and parasitic diseases classified elsewhere
• (M02.) Reactive arthropathies
  • (M02.3) Reiter's disease
• (M03.) Postinfective and reactive arthropathies in diseases classified elsewhere

(M05-M14) Inflammatory polyarthropathies

• (M05.) Seropositive rheumatoid arthritis
  • (M05.0) Felty's syndrome
  • (M05.1) Rheumatoid lung disease
  • (M05.2) Rheumatoid vasculitis
  • (M05.3) Rheumatoid arthritis with involvement of other organs and systems
  • (M05.8) Other seropositive rheumatoid arthritis
  • (M05.9) Seropositive rheumatoid arthritis, unspecified

• (M06.) Other rheumatoid arthritis
• (M07.) Psoriatic and enteropathic arthropathies

• (M08.) Juvenile arthritis
  • (M08.0) Juvenile rheumatoid arthritis
  • (M08.1) Juvenile ankylosing spondylitis
  • (M08.2) Juvenile arthritis with systemic onset
  • (M08.3) Juvenile polyarthritis (seronegative)
  • (M08.4) Pauciarticular juvenile arthritis
  • (M08.8) Other juvenile arthritis
  • (M08.9) Juvenile arthritis, unspecified

• (M09.) Juvenile arthritis in diseases classified elsewhere

• (M10.) Gout

• (M11.) Other crystal arthropathies
  • (M11.0) Hydroxyapatite deposition disease
  • (M11.1) Familial chondrocalcinosis
  • (M11.2) Other chondrocalcinosis
  • (M11.8) Other specified crystal arthropathies
  • (M11.9) Crystal arthropathy, unspecified

• (M12.) Other specific arthropathies
• (M13.) Other arthritis
• (M14.) Arthropathies in other diseases classified elsewhere

(M15-M19) Arthrosis

• (M15.) Polyarthrosis
  • (M15.0) Primary generalized (osteo)arthrosis
  • (M15.1) Heberden's nodes (with arthropathy)
  • (M15.2) Bouchard's nodes (with arthropathy)
  • (M15.3) Secondary multiple arthrosis
  • (M15.4) Erosive (osteo)arthrosis
  • (M15.8) Other polyarthrosis
  • (M15.9) Polyarthrosis, unspecified

• (M16.) Coxarthrosis (arthrosis of hip)
• (M17.) Gonarthrosis (arthrosis of knee)
• (M18.) Arthrosis of first carpometacarpal joint
• (M19.) Other arthrosis

(M20-M25) Other joint disorders

• (M20.) Acquired deformities of fingers and toes
  • (M20.0) Deformity of finger(s)
    • Boutonnière and swan-neck deformities
  • (M20.1) Hallux valgus (acquired)
    • Bunion
  • (M20.2) Hallux rigidus
  • (M20.3) Other deformity of hallux (acquired)
    • Hallux varus
  • (M20.4) Other hammer toe(s) (acquired)
  • (M20.5) Other deformities of toe(s) (acquired)
  • (M20.6) Acquired deformity of toe(s), unspecified

• (M21.) Other acquired deformities of limbs
  • (M21.0) Valgus deformity, not elsewhere classified
  • (M21.1) Varus deformity, not elsewhere classified
  • (M21.2) Flexion deformity
  • (M21.3) Wrist or foot drop (acquired)
  • (M21.4) Flat foot (pes planus) (acquired)
  • (M21.5) Acquired clawhand, clubhand, clawfoot and clubfoot
  • (M21.6) Other acquired deformities of ankle and foot
  • (M21.7) Unequal limb length (acquired)
  • (M21.8) Other specified acquired deformities of limbs
  • (M21.9) Acquired deformity of limb, unspecified

• (M22.) Disorders of patella
  • (M22.0) Recurrent dislocation of patella
  • (M22.1) Recurrent subluxation of patella
  • (M22.2) Patellofemoral disorders
  • (M22.3) Other derangements of patella
  • (M22.4) Chondromalacia patellae
  • (M22.8) Other disorders of patella
  • (M22.9) Disorder of patella, unspecified

• (M23.) Internal derangement of knee
  • (M23.0) Cystic meniscus
  • (M23.1) Discoid meniscus (congenital)
  • (M23.2) Derangement of meniscus due to old tear or injury
  • (M23.3) Other meniscus derangements
  • (M23.4) Loose body in knee
  • (M23.5) Chronic instability of knee
  • (M23.6) Other spontaneous disruption of ligament(s) of knee
  • (M23.8) Other internal derangements of knee
  • (M23.9) Internal derangement of knee, unspecified

• (M24.) Other specific joint derangements
  • (M24.0) Loose body in joint
  • (M24.1) Other articular cartilage disorders
  • (M24.2) Disorder of ligament
  • (M24.3) Pathological dislocation and subluxation of joint, not elsewhere classified
  • (M24.4) Recurrent dislocation and subluxation of joint
  • (M24.5) Contracture of joint
  • (M24.6) Ankylosis of joint
  • (M24.7) Protrusio acetabuli
  • (M24.8) Other specific joint derangements, not elsewhere classified
  • (M24.9) Joint derangement, unspecified

• (M25.) Other joint disorders, not elsewhere classified
  • (M25.0) Haemarthrosis
  • (M25.1) Fistula of joint
  • (M25.2) Flail joint
  • (M25.3) Other instability of joint
  • (M25.4) Effusion of joint
  • (M25.5) Pain in joint
  • (M25.6) Stiffness of joint, not elsewhere classified
  • (M25.7) Osteophyte
  • (M25.8) Other specified joint disorders
  • (M25.9) Joint disorder, unspecified

(M30-M36) Systemic connective tissue disorders

• (M30.) Polyarteritis nodosa and related conditions
  • (M30.0) Polyarteritis nodosa
  • (M30.1) Polyarteritis with lung involvement (Churg-Strauss syndrome)
  • (M30.2) Juvenile polyarteritis
  • (M30.3) Mucocutaneous lymph node syndrome (Kawasaki)
  • (M30.8) Other conditions related to polyarteritis nodosa

• (M31.) Other necrotizing vasculopathies
  • (M31.0) Hypersensitivity angiitis
    • Goodpasture's syndrome
  • (M31.1) Thrombotic microangiopathy
  • (M31.2) Lethal midline granuloma
  • (M31.3) Wegener's granulomatosis
  • (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.) Systemic lupus erythematosus
  • (M32.0) Drug-induced systemic lupus erythematosus
  • (M32.1) Systemic lupus erythematosus with organ or system involvement
    • Libman-Sacks disease
    • Lupus pericarditis
  • (M32.8) Other forms of systemic lupus erythematosus
  • (M32.9) Systemic lupus erythematosus, unspecified

• (M33.) Dermatopolymyositis
  • (M33.0) Juvenile dermatomyositis
  • (M33.1) Other dermatomyositis
  • (M33.2) Polymyositis

• (M34.) Systemic sclerosis
  • (M34.0) Progressive systemic sclerosis
  • (M34.1) CR(E)ST syndrome
  • (M34.2) Systemic sclerosis induced by drugs and chemicals
  • (M34.8) Other forms of systemic sclerosis
  • (M34.9) Systemic sclerosis, unspecified

• (M35.) Other systemic involvement of connective tissue
  • (M35.0) Sjögren's syndrome (Sicca syndrome)
  • (M35.1) Other overlap syndromes
  • (M35.2) Behçet'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
  • (M35.8) Other specified systemic involvement of connective tissue
  • (M35.9) Systemic involvement of connective tissue, unspecified

• (M36.) Systemic disorders of connective tissue in diseases classified elsewhere

(M40-M54) Dorsopathies

(M40-M43) Deforming dorsopathies

• (M40.) Kyphosis and lordosis
  • (M40.0) Postural kyphosis
• (M41.) Scoliosis
• (M42.) Spinal osteochondrosis
  • (M42.0) Juvenile osteochondrosis of spine
    • Scheuermann's disease
  • (M42.1) Adult osteochondrosis of spine
  • (M42.9) Spinal osteochondrosis, unspecified
• (M43.) Other deforming dorsopathies
  • (M43.0) Spondylolysis
  • (M43.1) Spondylolisthesis
  • (M43.2) Other fusion of spine
  • (M43.6) Torticollis

(M45-M49) Spondylopathies

• (M45.) Ankylosing spondylitis
• (M46.) Other inflammatory spondylopathies
• (M47.) Spondylosis

• (M48.) Other spondylopathies
  • (M48.0) Spinal stenosis
  • (M48.1) Ankylosing hyperostosis (Forestier)
  • (M48.2) Kissing spine
  • (M48.3) Traumatic spondylopathy
  • (M48.4) Fatigue fracture of vertebra
    • Stress fracture of vertebra
  • (M48.5) Collapsed vertebra, not elsewhere classified
  • (M48.8) Other specified spondylopathies
  • (M48.9) Spondylopathy, unspecified

• (M49.) Spondylopathies in diseases classified elsewhere
  • (M49.0) Tuberculosis of spine
    • Pott's curvature
  • (M49.1) Brucella spondylitis
  • (M49.2) Enterobacterial spondylitis
  • (M49.3) Spondylopathy in other infectious and parasitic diseases classified elsewhere
  • (M49.4) Neuropathic spondylopathy
  • (M49.5) Collapsed vertebra in diseases classified elsewhere
  • (M49.8) Spondylopathy in other diseases classified elsewhere

(M50-M54) Other dorsopathies

• (M50.) Cervical disc disorders

• (M51.) Other intervertebral disc disorders
  • (M51.0) Lumbar and other intervertebral disc disorders with myelopathy
  • (M51.1) Lumbar and other intervertebral disc disorders with radiculopathy
  • (M51.2) Other specified intervertebral disc displacement
  • (M51.3) Other specified intervertebral disc degeneration
  • (M51.4) Schmorl's nodes
  • (M51.8) Other specified intervertebral disc disorders
  • (M51.9) Intervertebral disc disorder, unspecified

• (M53.) Other dorsopathies, not elsewhere classified
  • (M53.0) Cervicocranial syndrome
  • (M53.1) Cervicobrachial syndrome
  • (M53.2) Spinal instabilities
  • (M53.3) Sacrococcygeal disorders, not elsewhere classified
    • Coccygodynia
  • (M53.8) Other specified dorsopathies
  • (M53.9) Dorsopathy, unspecified

• (M54.) Dorsalgia
  • (M54.0) Panniculitis affecting regions of neck and back
  • (M54.1) Radiculopathy
  • (M54.2) Cervicalgia
  • (M54.3) Sciatica
  • (M54.4) Lumbago with sciatica
  • (M54.5) Low back pain
  • (M54.6) Pain in thoracic spine
  • (M54.8) Other dorsalgia
  • (M54.9) Dorsalgia, unspecified

(M60-M79) Soft tissue disorders

(M60-M63) Disorders of muscles

• (M60.) Myositis
  • Tropical pyomyositis
• (M61.) Calcification and ossification of muscle
  • (M61.0) Myositis ossificans traumatica
  • (M61.1) Myositis ossificans progressiva
    • Fibrodysplasia ossificans progressiva
  • (M61.2) Paralytic calcification and ossification of muscle
  • (M61.3) Calcification and ossification of muscles associated with burns
  • (M61.4) Other calcification of muscle
  • (M61.5) Other ossification of muscle
  • (M61.9) Calcification and ossification of muscle, unspecified

• (M62.) Other disorders of muscle
  • (M62.0) Diastasis of muscle
  • (M62.1) Other rupture of muscle (nontraumatic)
  • (M62.2) Ischaemic infarction of muscle
  • (M62.3) Immobility syndrome (paraplegic)
  • (M62.4) Contracture of muscle
  • (M62.5) Muscle wasting and atrophy, not elsewhere classified
  • (M62.6) Muscle strain
  • (M62.8) Other specified disorders of muscle
  • (M62.9) Disorder of muscle, unspecified

• (M63.) Disorders of muscle in diseases classified elsewhere

(M65-M68) Disorders of synovium and tendon

• (M65.) Synovitis and tenosynovitis
  • (M65.0) Abscess of tendon sheath
  • (M65.1) Other infective (teno)synovitis
  • (M65.2) Calcific tendinitis
  • (M65.3) Trigger finger
  • (M65.4) Radial styloid tenosynovitis (de Quervain)
  • (M65.8) Other synovitis and tenosynovitis
  • (M65.9) Synovitis and tenosynovitis, unspecified

• (M66.) Spontaneous rupture of synovium and tendon
  • (M66.0) Rupture of popliteal cyst
  • (M66.1) Rupture of synovium
  • (M66.2) Spontaneous rupture of extensor tendons
  • (M66.3) Spontaneous rupture of flexor tendons
  • (M66.4) Spontaneous rupture of other tendons
  • (M66.5) Spontaneous rupture of unspecified tendon

• (M67.) Other disorders of synovium and tendon
  • (M67.0) Short Achilles tendon (acquired)
  • (M67.1) Other contracture of tendon (sheath)
  • (M67.2) Synovial hypertrophy, not elsewhere classified
  • (M67.3) Transient synovitis
  • (M67.4) Ganglion
  • (M67.8) Other specified disorders of synovium and tendon
  • (M67.9) Disorder of synovium and tendon, unspecified

• (M68.) Disorders of synovium and tendon in diseases classified elsewhere

(M70-M79) Other soft tissue disorders

• (M70.) Soft tissue disorders related to use, overuse and pressure
  • (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
  • (M70.7) Other bursitis of hip
  • (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
  • (M71.0) Abscess of bursa
  • (M71.1) Other infective bursitis
  • (M71.2) Synovial cyst of popliteal space (Baker)
  • (M71.3) Other bursal cyst
  • (M71.4) Calcium