M51
ICD-10Non-billable categoryThoracic, thoracolum, and lumbosacral intvrt disc disorders
Official ICD-10-CM descriptor (FY2026)
Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders
M51 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- cervical and cervicothoracic disc disorders (M50.-)
- sacral and sacrococcygeal disorders (M53.3)
More specific codes under M51
- M51.0Thoracic, thrclm and lumbosacr intvrt disc disord w myelpathcategory
- M51.1Thor, thrclm & lumbosacr intvrt disc disord w radiculopathycategory
- M51.2Oth thoracic, thrclm and lumbosacr intvrt disc displacmntcategory
- M51.3Oth thoracic, thrclm and lumbosacr intvrt disc degenerationcategory
- M51.4Schmorl's nodescategory
- M51.8Oth thoracic, thoracolum and lumbosacr intvrt disc disorderscategory
- M51.9Unsp thoracic, thoracolum and lumbosacr intvrt disc disorder
- M51.AOther lumbar and lumbosacral annulus fibrosus disc defectscategory
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.