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2. ICD-10 Codes
3. Chapter - M00-M99
4. Section - M45-M49
5. Category - M45
6. M45.5

M45.5 - Ankylosing spondylitis of thoracolumbar region

• Applicable to Ankylosing spondylitis of thoracolumbar region
• The 2025 edition of ICD10-CM M45.5 became effective on October 1, 2024.
• This is the American ICD10-CM version of M45.5 - other international versions of ICD10 M45.5 may differ.
• M45.5 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above M45.5 contain annotation back-references that may be applicable to M45.5:

• Chapter: M00-M99 - Diseases of the musculoskeletal system and connective tissue
• Section: M45-M49 - Spondylopathies
• Category: M45 - Ankylosing spondylitis

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.