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M51.9

✓ Billable

Unspecified thoracic, thoracolumbar and lumbosacral intervertebral disc disorder

Diseases of the musculoskeletal system and connective tissue (M00-M99)

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⚠️ Excludes2

inherited from M51

Rules from parent category M51: Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders

  • • cervical and cervicothoracic disc disorders (M50.-)
  • • sacral and sacrococcygeal disorders (M53.3)

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Code Information

CodeM51.9
BillableYes
ParentM51
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes10 rule(s)
Excludes22 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)