M45.4 Ankylosing spondylitis of thoracic region

Billable / valid for submission ICD10CM Release FY2026

Version history

Related codes in M45

• 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
• M45.5 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

All M45 codes →