M51
⚠ Non-billable
Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M51
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 M51?
ICD-10-CM code M51 represents Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders. 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 M51 billable?
No. M51 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is M51 in?
M51 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.
Related codes in the M51 category
M51.0
Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with myelopathy
Non-billable
M51.1
Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with radiculopathy
Non-billable
M51.2
Other thoracic, thoracolumbar and lumbosacral intervertebral disc displacement
Non-billable
M51.3
Other thoracic, thoracolumbar and lumbosacral intervertebral disc degeneration
Non-billable
M51.4
Schmorl's nodes
Non-billable
M51.8
Other thoracic, thoracolumbar and lumbosacral intervertebral disc disorders
Non-billable
M51.9
Unspecified thoracic, thoracolumbar and lumbosacral intervertebral disc disorder
Billable
M51.A
Other lumbar and lumbosacral annulus fibrosus disc defects
Non-billable
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