ICD-10 Code: M45.9 – Ankylosing spondylitis of unspecified sites in spine

ICD-10 code M45.9 corresponds to Ankylosing spondylitis of unspecified sites in spine. 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.