M45.A

Non-radiographic axial spondyloarthritis

Non-billable header

M45.A is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes (from M45)

  • Note: Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Excludes1

Not coded here — never report together with this code.

  • arthropathy in Reiter's disease (M02.3-) (from M45)
  • juvenile (ankylosing) spondylitis (M08.1) (from M45)

Excludes2

Not included here — may be reported together when both conditions exist.

  • arthropathic psoriasis (L40.5-) (from M45)
  • certain conditions originating in the perinatal period (P04-P96) (from M45)
  • certain infectious and parasitic diseases (A00-B99) (from M45)
  • compartment syndrome (traumatic) (T79.A-) (from M45)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from M45)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from M45)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from M45)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from M45)
  • neoplasms (C00-D49) (from M45)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from M45)
  • Behçet's disease (M35.2) (from M45)

Parent code

  • M45Ankylosing spondylitisHeader

More specific codes M45.A

  • M45.A0Non-radiographic axial spondyloarthritis of unspecified sites in spineBillable
  • M45.A1Non-radiographic axial spondyloarthritis of occipito-atlanto-axial regionBillable
  • M45.A2Non-radiographic axial spondyloarthritis of cervical regionBillable
  • M45.A3Non-radiographic axial spondyloarthritis of cervicothoracic regionBillable
  • M45.A4Non-radiographic axial spondyloarthritis of thoracic regionBillable
  • M45.A5Non-radiographic axial spondyloarthritis of thoracolumbar regionBillable
  • M45.A6Non-radiographic axial spondyloarthritis of lumbar regionBillable
  • M45.A7Non-radiographic axial spondyloarthritis of lumbosacral regionBillable
  • M45.A8Non-radiographic axial spondyloarthritis of sacral and sacrococcygeal regionBillable
  • M45.ABNon-radiographic axial spondyloarthritis of multiple sites in spineBillable

Related codes

  • M45.0Ankylosing spondylitis of multiple sites in spineBillable
  • M45.1Ankylosing spondylitis of occipito-atlanto-axial regionBillable
  • M45.2Ankylosing spondylitis of cervical regionBillable
  • M45.3Ankylosing spondylitis of cervicothoracic regionBillable
  • M45.4Ankylosing spondylitis of thoracic regionBillable
  • M45.5Ankylosing spondylitis of thoracolumbar regionBillable
  • M45.6Ankylosing spondylitis lumbar regionBillable
  • M45.7Ankylosing spondylitis of lumbosacral regionBillable
  • M45.8Ankylosing spondylitis sacral and sacrococcygeal regionBillable
  • M45.9Ankylosing spondylitis of unspecified sites in spineBillable

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