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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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M40-
Kyphosis and lordosis
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2021 ICD-10-CM Diagnosis Code M40.5
2021 ICD-10-CM Diagnosis Code M40.5
Lordosis, unspecified
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- M40.5 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 M40.5 became effective on October 1, 2020.
- This is the American ICD-10-CM version of M40.5 - other international versions of ICD-10 M40.5 may differ.
The following code(s) above
M40.5 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
M40.5:
Clinical Information
- A disorder characterized by an abnormal increase in the curvature of the lumbar portion of the spine.
- Abnormally increased curvature of the lumbar portion of the spinal column.
- The anterior concavity in the curvature of the lumbar and cervical spine as viewed from the side. The term usually refers to abnormally increased curvature (hollow back, saddle back, swayback). It does not include lordosis as normal mating posture in certain animals ( = posture + sex behavior, animal).
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 M40.5
M40.35 …… thoracolumbar region
M40.45 …… thoracolumbar region
M40.5
Lordosis, unspecified
M40.55 …… thoracolumbar region
M41.0 Infantile idiopathic scoliosis
M41.03 …… cervicothoracic region
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.