ICD-10-CM code · FY2027
M45 Ankylosing spondylitis
Header codeNot billable: use one of the 20 billable codes below
About M45
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Coding notes for M45
Applicable to Other names for conditions reported with this code.
- Rheumatoid arthritis of spine
Excludes1 Not coded here: never report these together with this code (use the code given instead).
Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.
- Behçet's disease (M35.2)
Chapter 13 notes (apply to every code in it)
Note
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.
- 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, not elsewhere classified (R00-R94)
Codes under M45 21
- M45.0 Ankylosing spondylitis of multiple sites in spineBillable
- M45.1 Ankylosing spondylitis of occipito-atlanto-axial regionBillable
- M45.2 Ankylosing spondylitis of cervical regionBillable
- M45.3 Ankylosing spondylitis of cervicothoracic regionBillable
- M45.4 Ankylosing spondylitis of thoracic regionBillable
- M45.5 Ankylosing spondylitis of thoracolumbar regionBillable
- M45.6 Ankylosing spondylitis lumbar regionBillable
- M45.7 Ankylosing spondylitis of lumbosacral regionBillable
- M45.8 Ankylosing spondylitis sacral and sacrococcygeal regionBillable
- M45.9 Ankylosing spondylitis of unspecified sites in spineBillable
- M45.A Non-radiographic axial spondyloarthritisHeader
- M45.A0 Non-radiographic axial spondyloarthritis of unspecified sites in spineBillable
- M45.A1 Non-radiographic axial spondyloarthritis of occipito-atlanto-axial regionBillable
- M45.A2 Non-radiographic axial spondyloarthritis of cervical regionBillable
- M45.A3 Non-radiographic axial spondyloarthritis of cervicothoracic regionBillable
- M45.A4 Non-radiographic axial spondyloarthritis of thoracic regionBillable
- M45.A5 Non-radiographic axial spondyloarthritis of thoracolumbar regionBillable
- M45.A6 Non-radiographic axial spondyloarthritis of lumbar regionBillable
- M45.A7 Non-radiographic axial spondyloarthritis of lumbosacral regionBillable
- M45.A8 Non-radiographic axial spondyloarthritis of sacral and sacrococcygeal regionBillable
- M45.AB Non-radiographic axial spondyloarthritis of multiple sites in spineBillable
Other categories in M45-M49
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