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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
2021 ICD-10-CM Diagnosis Code M43
Other deforming dorsopathies
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- M43 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2021 edition of ICD-10-CM M43 became effective on October 1, 2020.
- This is the American ICD-10-CM version of M43 - other international versions of ICD-10 M43 may differ.
Type 1 ExcludesType 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as M43. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- congenital spondylolysis and spondylolisthesis (
ICD-10-CM Diagnosis Code Q76.2
Congenital spondylolisthesis
2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
Type 1 Excludes- spondylolisthesis (acquired) (M43.1-)
- spondylolysis (acquired) (M43.0-)
- hemivertebra (
ICD-10-CM Diagnosis Code Q76.3
Congenital scoliosis due to congenital bony malformation
2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
Applicable To- Hemivertebra fusion or failure of segmentation with scoliosis
ICD-10-CM Diagnosis Code Q76.4
Other congenital malformations of spine, not associated with scoliosis
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- Klippel-Feil syndrome (
ICD-10-CM Diagnosis Code Q76.1
Klippel-Feil syndrome
2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
- lumbarization and sacralization (
ICD-10-CM Diagnosis Code Q76.4
Other congenital malformations of spine, not associated with scoliosis
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- platyspondylisis (
ICD-10-CM Diagnosis Code Q76.4
Other congenital malformations of spine, not associated with scoliosis
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- spina bifida occulta (
ICD-10-CM Diagnosis Code Q76.0
Spina bifida occulta
2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
Type 1 Excludes- meningocele (spinal) (Q05.-)
- spina bifida (aperta) (cystica) (Q05.-)
- spinal curvature in osteoporosis (
ICD-10-CM Diagnosis Code M80
M80.-) - spinal curvature in Paget's disease of bone [osteitis deformans] (
ICD-10-CM Diagnosis Code M88
- M88 Osteitis deformans [Paget's disease of bone]
- M88.0 Osteitis deformans of skull
- M88.1 Osteitis deformans of vertebrae
- M88.8 Osteitis deformans of other bones
- M88.81 Osteitis deformans of shoulder
- M88.811 Osteitis deformans of right shoulder
- M88.812 Osteitis deformans of left shoulder
- M88.819 Osteitis deformans of unspecified shoulder
- M88.82 Osteitis deformans of upper arm
- M88.821 Osteitis deformans of right upper arm
- M88.822 Osteitis deformans of left upper arm
- M88.829 Osteitis deformans of unspecified upper arm
- M88.83 Osteitis deformans of forearm
- M88.831 Osteitis deformans of right forearm
- M88.832 Osteitis deformans of left forearm
- M88.839 Osteitis deformans of unspecified forearm
- M88.84 Osteitis deformans of hand
- M88.841 Osteitis deformans of right hand
- M88.842 Osteitis deformans of left hand
- M88.849 Osteitis deformans of unspecified hand
- M88.85 Osteitis deformans of thigh
- M88.851 Osteitis deformans of right thigh
- M88.852 Osteitis deformans of left thigh
- M88.859 Osteitis deformans of unspecified thigh
- M88.86 Osteitis deformans of lower leg
- M88.861 Osteitis deformans of right lower leg
- M88.862 Osteitis deformans of left lower leg
- M88.869 Osteitis deformans of unspecified lower leg
- M88.87 Osteitis deformans of ankle and foot
- M88.871 Osteitis deformans of right ankle and foot
- M88.872 Osteitis deformans of left ankle and foot
- M88.879 Osteitis deformans of unspecified ankle and f...
- M88.88 Osteitis deformans of other bones
- M88.89 Osteitis deformans of multiple sites
- M88.9 Osteitis deformans of unspecified bone
The following code(s) above
M43 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:
- 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
M42.11 …… occipito-atlanto-axial region
M42.13 …… cervicothoracic region
M42.15 …… thoracolumbar region
M42.18 …… sacral and sacrococcygeal region
M42.19 …… multiple sites in spine
M42.9 Spinal osteochondrosis, unspecified
M43
Other deforming dorsopathies
M43.01 …… occipito-atlanto-axial region
M43.03 …… cervicothoracic region
M43.05 …… thoracolumbar region
M43.08 …… 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.
