M45

Non-Billable

Ankylosing spondylitis

M45 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

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