ICD-10-CM Codes 2026 (USA)

• M45.5	Ankylosing spondylitis of thoracolumbar region

• 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.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

Created by Peter Blahut, MD