ICD-10 Chapter XIII: Diseases of the musculoskeletal system and connective tissue
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| Chapter | Block | Title |
|---|---|---|
| I | A00–B99 | Certain infectious and parasitic diseases |
| II | C00–D48 | Neoplasms |
| III | D50–D89 | Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism |
| IV | E00–E90 | Endocrine, nutritional and metabolic diseases |
| V | F00–F99 | Mental and behavioural disorders |
| VI | G00–G99 | Diseases of the nervous system |
| VII | H00–H59 | Diseases of the eye and adnexa |
| VIII | H60–H95 | Diseases of the ear and mastoid process |
| IX | I00–I99 | Diseases of the circulatory system |
| X | J00–J99 | Diseases of the respiratory system |
| XI | K00–K93 | Diseases of the digestive system |
| XII | L00–L99 | Diseases of the skin and subcutaneous tissue |
| XIII | M00–M99 | Diseases of the musculoskeletal system and connective tissue |
| XIV | N00–N99 | Diseases of the genitourinary system |
| XV | O00–O99 | Pregnancy, childbirth and the puerperium |
| XVI | P00–P96 | Certain conditions originating in the perinatal period |
| XVII | Q00–Q99 | Congenital malformations, deformations and chromosomal abnormalities |
| XVIII | R00–R99 | Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified |
| XIX | S00–T98 | Injury, poisoning and certain other consequences of external causes |
| XX | V01–Y98 | External causes of morbidity and mortality |
| XXI | Z00–Z99 | Factors influencing health status and contact with health services |
| XXII | U00–U99 | Codes for special purposes |
This is a shortened version of the thirteenth chapter of the ICD-10: Diseases of the musculoskeletal system and connective tissue. It covers ICD codes M00.0 to M99. All versions of the ICD-10, including the most recent one (2019), can be browsed freely on the website of the World Health Organisation (WHO). The ICD-10 can also be downloaded in PDF-form.
Chapter XIII of ICD-10 deals with conditions effecting the musculoskeletal system and connective tissue. Examples of conditions captured using codes from Chapter XIII include; arthritis, spinal stenosis, and tendinitis.
Arthropathies (M00–M25)[edit]
Infectious arthropathies (M00–M03)[edit]
- M00 Pyogenic arthritis
- M01 Direct infections of joint in infectious and parasitic diseases classified elsewhere
- M02 Reactive arthropathies
- M03 Postinfective and reactive arthropathies in diseases classified elsewhere
Inflammatory polyarthropathies (M05–M14)[edit]
- 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
- 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
- M12.0 Chronic postrheumatic arthropathy (Jaccoud)
- M12.1 Kaschin-Beck disease
- M12.2 Villonodular synovitis (pigmented)
- M12.3 Palindromic rheumatism
- M12.4 Intermittent hydrarthrosis
- M12.5 Traumatic arthropathy
- M12.8 Other specific arthropathies, not elsewhere classified
- M13 Other arthritis
- M13.0 Polyarthritis, unspecified
- M13.1 Monoarthritis, not elsewhere classified
- M13.8 Other specified arthritis
- M13.9 Arthritis, unspecified
- Arthropathy NOS
- M14 Arthropathies in other diseases classified elsewhere
- M14.0 Gouty arthropathy due to enzyme defects and other inherited disorders
- M14.1 Crystal arthropathy in other metabolic disorders
- M14.2 Diabetic arthropathy
- M14.3 Lipoid dermatoarthritis
- M14.4 Arthropathy in amyloidosis
- M14.5 Arthropathies in other endocrine, nutritional and metabolic disorders
- M14.6 Neuropathic arthropathy
- M14.8 Arthropathies in other specified diseases classified elsewhere
Arthrosis (M15–M19)[edit]
- 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
Other joint disorders (M20–M25)[edit]
- M20 Acquired deformities of fingers and toes
- M20.0 Deformity of finger(s)
- M20.1 Hallux valgus (acquired)
- M20.2 Hallux rigidus
- M20.3 Other deformity of hallux (acquired)
- 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
Systemic connective tissue disorders (M30–M36)[edit]
- 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
- 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
- M32.8 Other forms of systemic lupus erythematosus
- M32.9 Systemic lupus erythematosus, unspecified
- M33 Dermatopolymyositis
- 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
Dorsopathies (M40–M54)[edit]
Deforming dorsopathies (M40–M43)[edit]
Spondylopathies (M45–M49)[edit]
- M45 Ankylosing spondylitis
- M46 Other inflammatory spondylopathies
- M46.0 Spinal enthesopathy
- M46.1 Sacroiliitis, not elsewhere classified
- M46.2 Osteomyelitis of vertebra
- M46.3 Infection of intervertebral disc (pyogenic)
- M46.4 Discitis, unspecified
- M46.5 Other infective spondylopathies
- M46.8 Other specified inflammatory spondylopathies
- M46.9 Inflammatory spondylopathy, unspecified
- 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
- 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
- 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
Other dorsopathies (M50–M54)[edit]
- 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
- 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
Soft tissue disorders (M60–M79)[edit]
Disorders of muscles (M60–M63)[edit]
- M60 Myositis
- M61 Calcification and ossification of muscle
- M61.0 Myositis ossificans traumatica
- M61.1 Myositis 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
- Compartment syndrome, non-traumatic
- 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
Disorders of synovium and tendon (M65–M68)[edit]
- 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
- 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
Other soft tissue disorders (M70–M79)[edit]
- 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
- Synovial cyst NOS
- M71.4 Calcium deposit in bursa
- M71.5 Other bursitis, not elsewhere classified
- M71.8 Other specified bursopathies
- M71.9 Bursopathy, unspecified
- Bursitis NOS
- M72 Fibroblastic disorders
- M73 Soft tissue disorders in diseases classified elsewhere
- M75 Shoulder lesions
- M76 Enthesopathies of lower limb, excluding foot
- 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
- M76.7 Peroneal tendinitis
- M76.8 Other enthesopathies of lower limb, excluding foot
- M76.9 Enthesopathy of lower limb, unspecified
- M77 Other enthesopathies
- M77.0 Medial epicondylitis
- M77.1 Lateral epicondylitis
- M77.2 Periarthritis of wrist
- M77.3 Calcaneal spur
- M77.4 Metatarsalgia
- 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
- M79.0 Rheumatism, unspecified
- M79.1 Myalgia
- 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
- M79.6 Pain in limb
- M79.7 Fibromyalgia
- M79.8 Other specified soft tissue disorders
- M79.9 Soft tissue disorder, unspecified
Osteopathies (M80–M90)[edit]
- M80 Osteoporosis with pathological fracture
- M81 Osteoporosis without pathological fracture
- M82 Osteoporosis in diseases classified elsewhere
- M83 Adult osteomalacia
- M84 Disorders of continuity of bone
- M84.0 Malunion of fracture
- M84.1 Nonunion of fracture (pseudarthrosis)
- M84.2 Delayed union of fracture
- M84.3 Stress fracture, not elsewhere classified
- M84.4 Pathological fracture, not elsewhere classified
- M84.8 Other disorders of continuity of bone
- M84.9 Disorder of continuity of bone, unspecified
- M85 Other disorders of bone density and structure
- M85.0 Fibrous dysplasia (monostotic)
- M85.1 Skeletal fluorosis
- M85.2 Hyperostosis of skull
- M85.3 Osteitis condensans
- M85.4 Solitary bone cyst
- M85.5 Aneurysmal bone cyst
- M85.6 Other cyst of bone
- M85.8 Other specified disorders of bone density and structure
- Hyperostosis of bones, except skull
- Osteosclerosis, acquired
- M85.9 Disorder of bone density and structure, unspecified
- M86 Osteomyelitis
- M86.0 Acute haematogenous osteomyelitis
- M86.1 Other acute osteomyelitis
- M86.2 Subacute osteomyelitis
- M86.3 Chronic multifocal osteomyelitis
- M86.4 Chronic osteomyelitis with draining sinus
- M86.5 Other chronic haematogenous osteomyelitis
- M86.6 Other chronic osteomyelitis
- M86.8 Other osteomyelitis
- M86.9 Osteomyelitis, unspecified
- Infection of bone NOS
- Periostitis without mention of osteomyelitis
- M87 Osteonecrosis
- M88 Paget's disease of bone (osteitis deformans)
- M89 Other disorders of bone
- M89.0 Algoneurodystrophy
- M89.1 Epiphyseal arrest
- M89.2 Other disorders of bone development and growth
- M89.3 Hypertrophy of bone
- M89.4 Other hypertrophic osteoarthropathy
- M89.5 Osteolysis
- M89.6 Osteopathy after poliomyelitis
- M89.8 Other specified disorders of bone
- M89.9 Disorder of bone, unspecified
- M90 Osteopathies in diseases classified elsewhere
Chondropathies (M91–M94)[edit]
- M91 Juvenile osteochondrosis of hip and pelvis
- M92 Other juvenile osteochondrosis
- M92.0 Juvenile osteochondrosis of humerus
- M92.1 Juvenile osteochondrosis of radius and ulna
- M92.2 Juvenile osteochondrosis of hand
- M92.3 Other juvenile osteochondrosis of upper limb
- M92.4 Juvenile osteochondrosis of patella
- M92.5 Juvenile osteochondrosis of tibia and fibula
- M92.6 Juvenile osteochondrosis of tarsus
- M92.7 Juvenile osteochondrosis of metatarsus
- M92.8 Other specified juvenile osteochondrosis
- M92.9 Juvenile osteochondrosis, unspecified
- M93 Other osteochondropathies
- M93.0 Slipped upper femoral epiphysis (nontraumatic)
- M93.1 Kienböck's disease of adults
- M93.2 Osteochondritis dissecans
- M93.8 Other specified osteochondropathies
- M93.9 Osteochondropathy, unspecified
- M94 Other disorders of cartilage
Other disorders of the musculoskeletal system and connective tissue (M95–M99)[edit]
- M95 Other acquired deformities of musculoskeletal system and connective tissue
- M96 Postprocedural musculoskeletal disorders, not elsewhere classified
- M96.0 Pseudarthrosis after fusion or arthrodesis
- M96.1 Postlaminectomy syndrome, not elsewhere classified
- M96.2 Postradiation kyphosis
- M96.3 Postlaminectomy kyphosis
- M96.4 Post-surgical lordosis
- M96.5 Postradiation scoliosis
- M96.6 Fracture of bone following insertion of orthopaedic implant, joint prosthesis, or bone plate
- M96.8 Other postprocedural musculoskeletal disorders
- M96.9 Postprocedural musculoskeletal disorder, unspecified
- M99 Biomechanical lesions, not elsewhere classified
Excludes[edit]
- Arthropathic psoriasis (L40.5-)
- Certain conditions originating in the perinatal period (P04-P96)
- Certain infectious and parasitic diseases (A00-B99)
- Compartment syndrome (traumatic) (T79.A-)
- Complications of pregnancy, childbirth and the puerperium (O00-O9A)
- Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- Endocrine, nutritional, and metabolic diseases (E00-E88)
- Injury, poisoning and certain other consequences of external causes (S00-T88)
- Neoplasms (C00-D49)
- Symptoms, signs, and abnormal clinical and laboratory findings, NEC (R00-R94)
See also[edit]
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