M43
⚠ Non-billable
Other deforming dorsopathies
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M43
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Musculoskeletal System and Connective Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code M43?
ICD-10-CM code M43 represents Other deforming dorsopathies. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is M43 billable?
No. M43 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is M43 in?
M43 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.
Related codes in the M43 category
M43.0
Spondylolysis
Non-billable
M43.1
Spondylolisthesis
Non-billable
M43.2
Fusion of spine
Non-billable
M43.3
Recurrent atlantoaxial dislocation with myelopathy
Billable
M43.4
Other recurrent atlantoaxial dislocation
Billable
M43.5
Other recurrent vertebral dislocation
Non-billable
M43.6
Torticollis
Billable
M43.8
Other specified deforming dorsopathies
Non-billable
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