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ICD-10-CM Codes
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M00-M99
Diseases of the musculoskeletal system and connective tissue
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M45-M49
Spondylopathies
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M46-
Other inflammatory spondylopathies
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2021 ICD-10-CM Diagnosis Code M46.20
2021 ICD-10-CM Diagnosis Code M46.20
Osteomyelitis of vertebra, site unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- M46.20 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM M46.20 became effective on October 1, 2020.
- This is the American ICD-10-CM version of M46.20 - other international versions of ICD-10 M46.20 may differ.
The following code(s) above
M46.20 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
M46.20:
Approximate Synonyms
- Acute osteomyelitis of vertebra
- Chronic osteomyelitis of vertebra
- Osteomyelitis of the spine
- Osteomyelitis of vertebra
- Osteomyelitis vertebra, acute
ICD-10-CM M46.20 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 456 Spinal fusion except cervical with spinal curvature, malignancy, infection or extensive fusions with mcc
- 457 Spinal fusion except cervical with spinal curvature, malignancy, infection or extensive fusions with cc
- 458 Spinal fusion except cervical with spinal curvature, malignancy, infection or extensive fusions without cc/mcc
- 539 Osteomyelitis with mcc
- 540 Osteomyelitis with cc
- 541 Osteomyelitis without cc/mcc
Convert M46.20 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
- Osteomyelitis (general) (infective) (localized) (neonatal) (purulent) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis) M86.9
ICD-10-CM Diagnosis Code M86.9
Osteomyelitis, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Infection of bone NOS
- Periostitis without osteomyelitis
ICD-10-CM Codes Adjacent To M46.20
M46.03 …… cervicothoracic region
M46.05 …… thoracolumbar region
M46.08 …… sacral and sacrococcygeal region
M46.09 …… multiple sites in spine
M46.1 Sacroiliitis, not elsewhere classified
M46.2 Osteomyelitis of vertebra
M46.20
…… site unspecified
M46.21 …… occipito-atlanto-axial region
M46.23 …… cervicothoracic region
M46.25 …… thoracolumbar region
M46.28 …… sacral and sacrococcygeal region
M46.3 Infection of intervertebral disc (pyogenic)
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.