ICD-10-CM

M45: Ankylosing spondylitis

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