Code
Hierarchy
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M00-M99 Diseases of the musculoskeletal system and connective tissue (M00-M99)
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M45-M49 Spondylopathies (M45-M49)
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M45 Ankylosing spondylitis
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M45.0 Ankylosing spondylitis of multiple sites in spine
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M45.1 Ankylosing spondylitis of occipito-atlanto-axial region
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M45.2 Ankylosing spondylitis of cervical region
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M45.3 Ankylosing spondylitis of cervicothoracic region
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M45.4 Ankylosing spondylitis of thoracic region
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M45.5 Ankylosing spondylitis of thoracolumbar region
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M45.6 Ankylosing spondylitis lumbar region
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M45.7 Ankylosing spondylitis of lumbosacral region
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M45.8 Ankylosing spondylitis sacral and sacrococcygeal region
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M45.9 Ankylosing spondylitis of unspecified sites in spine
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M45.A Non-radiographic axial spondyloarthritis
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-
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Notes
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Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Inclusion Terms
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Rheumatoid arthritis of spine
Excludes 1
Excludes 2
- M35.2 Behçet's disease
- L40.5 Arthropathic psoriasis
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certain conditions originating in the perinatal period (P04-P96)
- A00-B99 Certain infectious and parasitic diseases (A00-B99)
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compartment syndrome (traumatic) (T79.A-)
- T79.A Traumatic compartment syndrome
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complications of pregnancy, childbirth and the puerperium (O00-O9A)
- O00-O9A Pregnancy, childbirth and the puerperium (O00-O9A)
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congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
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endocrine, nutritional and metabolic diseases (E00-E88)
- S00-T88 Injury, poisoning and certain other consequences of external causes (S00-T88)
- C00-D49 Neoplasms (C00-D49)
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symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)