Is M45.1 a billable code?
Yes. M45.1 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
M45.1: Ankylosing spondylitis of occipito-atlanto-axial region
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
M45.1 is a billable ICD-10-CM diagnosis code for ankylosing spondylitis of occipito-atlanto-axial region. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with M45.1 already added.Good Faith EstimateStart a cost estimate with M45.1 already added.CMS-1500 Claim FormFill a claim form with M45.1 in box 21.
Other codes in M45 Ankylosing spondylitis
- M45.0Ankylosing spondylitis of multiple sites in spine
- M45.2Ankylosing spondylitis of cervical region
- M45.3Ankylosing spondylitis of cervicothoracic region
- M45.4Ankylosing spondylitis of thoracic region
- M45.5Ankylosing spondylitis of thoracolumbar region
- M45.6Ankylosing spondylitis lumbar region
- M45.7Ankylosing spondylitis of lumbosacral region
- M45.8Ankylosing spondylitis sacral and sacrococcygeal region
- M45.9Ankylosing spondylitis of unspecified sites in spine
- M45.ANon-radiographic axial spondyloarthritisheader
M45.1 questions
What does M45.1 mean?
M45.1 is the ICD-10-CM code for Ankylosing spondylitis of occipito-atlanto-axial region. It is in chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.