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ICD-10-CM Codes M00-M99 M45-M49 M45

ICD-10-CM Diagnosis Code M45

Ankylosing spondylitis

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Applicable To for M45:

  • Rheumatoid arthritis of spine

Excludes-1 for M45:

  • arthropathy in Reiter's disease (M02.3-)

  • juvenile (ankylosing) spondylitis (M08.1)

Excludes-2 for M45:

  • Behçet's disease (M35.2)

Codes Hierarchy:

    • M45  Ankylosing spondylitis
      • M45.0  Ankylosing spondylitis of multiple sites in spine
      • M45.1  Ankylosing spondylitis of occipito-atlanto-axial region
      • M45.2  Ankylosing spondylitis of cervical region
      • M45.3  Ankylosing spondylitis of cervicothoracic region
      • M45.4  Ankylosing spondylitis of thoracic region
      • M45.5  Ankylosing spondylitis of thoracolumbar region
      • M45.6  Ankylosing spondylitis lumbar region
      • M45.7  Ankylosing spondylitis of lumbosacral region
      • M45.8  Ankylosing spondylitis sacral and sacrococcygeal region
      • M45.9  Ankylosing spondylitis of unspecified sites in spine
      • M45.A Non-radiographic axial spondyloarthritis
        • M45.A0  Non-radiographic axial spondyloarthritis of unspecified sites in spine
        • M45.A1  Non-radiographic axial spondyloarthritis of occipito-atlanto-axial region
        • M45.A2  Non-radiographic axial spondyloarthritis of cervical region
        • M45.A3  Non-radiographic axial spondyloarthritis of cervicothoracic region
        • M45.A4  Non-radiographic axial spondyloarthritis of thoracic region
        • M45.A5  Non-radiographic axial spondyloarthritis of thoracolumbar region
        • M45.A6  Non-radiographic axial spondyloarthritis of lumbar region
        • M45.A7  Non-radiographic axial spondyloarthritis of lumbosacral region
        • M45.A8  Non-radiographic axial spondyloarthritis of sacral and sacrococcygeal region
        • M45.AB  Non-radiographic axial spondyloarthritis of multiple sites in spine