ICD-10 Code: M40.35 – Flatback syndrome, thoracolumbar region

ICD-10 code M40.35 corresponds to Flatback syndrome, thoracolumbar region. This code is classified under the chapter M40 Kyphosis and lordosis, which is part of the M40-M54: Dorsopathies category.

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