ICD-10 Code: M45.A3 – Non-radiographic axial spondyloarthritis of cervicothoracic region

ICD-10 code M45.A3 corresponds to Non-radiographic axial spondyloarthritis of cervicothoracic region. This code is classified under the chapter M45 Ankylosing spondylitis, which is part of the M40-M54: Dorsopathies category.

The parent chapter is Diseases of the musculoskeletal system and connective tissue.