Ankylosing spondylitis of thoracolumbar spine
M45.5 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM M45.5 became effective on October 1, 2022.
This is the American ICD-10-CM version of M45.5 – other international versions of ICD-10 M45.5 may differ.