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ICD-10-CM Codes
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M00-M99
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M45-M49
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2023 ICD-10-CM Diagnosis Code M45.9
2023 ICD-10-CM Diagnosis Code M45.9
Ankylosing spondylitis of unspecified sites in spine
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- M45.9 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 M45.9 became effective on October 1, 2022.
- This is the American ICD-10-CM version of M45.9 - other international versions of ICD-10 M45.9 may differ.
The following code(s) above
M45.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
M45.9:
- 545 Connective tissue disorders with mcc
- 546 Connective tissue disorders with cc
- 547 Connective tissue disorders without cc/mcc
Convert M45.9 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To M45.9
M45 Ankylosing spondylitis
M45.0 Ankylosing spondylitis of multiple sites in spine
M45.1 Ankylosing spondylitis of occipito-atlanto-axial region
M45.2 Ankylosing spondylitis of cervical region
M45.3 Ankylosing spondylitis of cervicothoracic region
M45.4 Ankylosing spondylitis of thoracic region
M45.5 Ankylosing spondylitis of thoracolumbar region
M45.6 Ankylosing spondylitis lumbar region
M45.7 Ankylosing spondylitis of lumbosacral region
M45.8 Ankylosing spondylitis sacral and sacrococcygeal region
M45.9
Ankylosing spondylitis of unspecified sites in spine
M45.A Non-radiographic axial spondyloarthritis
M45.A0 …… of unspecified sites in spine
M45.A1 …… of occipito-atlanto-axial region
M45.A3 …… of cervicothoracic region
M45.A5 …… of thoracolumbar region
M45.A7 …… of lumbosacral region
M45.A8 …… of sacral and sacrococcygeal region
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
