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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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M40-M43
Deforming dorsopathies
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M43-
Other deforming dorsopathies
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2021 ICD-10-CM Diagnosis Code M43.20
2021 ICD-10-CM Diagnosis Code M43.20
Fusion of spine, site unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- M43.20 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 M43.20 became effective on October 1, 2020.
- This is the American ICD-10-CM version of M43.20 - other international versions of ICD-10 M43.20 may differ.
The following code(s) above
M43.20 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
M43.20:
- M00-M99
2021 ICD-10-CM Range M00-M99
Diseases of the musculoskeletal system and connective tissueNote- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Type 2 Excludes- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- M43
ICD-10-CM Diagnosis Code M43
Other deforming dorsopathies
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Type 1 Excludes- congenital spondylolysis and spondylolisthesis (Q76.2)
- hemivertebra (Q76.3-Q76.4)
- Klippel-Feil syndrome (Q76.1)
- lumbarization and sacralization (Q76.4)
- platyspondylisis (Q76.4)
- spina bifida occulta (Q76.0)
- spinal curvature in osteoporosis (M80.-)
- spinal curvature in Paget's disease of bone [osteitis deformans] (M88.-)
- M43.2
ICD-10-CM Diagnosis Code M43.2
Fusion of spine
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Applicable To- Ankylosis of spinal joint
Type 1 Excludes- ankylosing spondylitis (M45.0-)
- congenital fusion of spine (Q76.4)
Type 2 Excludes- arthrodesis status (Z98.1)
- pseudoarthrosis after fusion or arthrodesis (M96.0)
- Ankylosis of spine
- Ankylosis of vertebra
- Ankylosis of vertebral column
ICD-10-CM M43.20 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 551 Medical back problems with mcc
- 552 Medical back problems without mcc
Convert M43.20 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
ICD-10-CM Codes Adjacent To M43.20
M43.11 …… occipito-atlanto-axial region
M43.13 …… cervicothoracic region
M43.15 …… thoracolumbar region
M43.18 …… sacral and sacrococcygeal region
M43.19 …… multiple sites in spine
M43.20
…… site unspecified
M43.21 …… occipito-atlanto-axial region
M43.23 …… cervicothoracic region
M43.25 …… thoracolumbar region
M43.28 …… sacral and sacrococcygeal region
M43.3 Recurrent atlantoaxial dislocation with myelopathy
M43.4 Other recurrent atlantoaxial dislocation
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
