M51.1
ICD-10Non-billable categoryThor, thrclm & lumbosacr intvrt disc disord w radiculopathy
Official ICD-10-CM descriptor (FY2026)
Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with radiculopathy
M51.1 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.
Inclusion terms
- Sciatica due to intervertebral disc disorder
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- lumbar radiculitis NOS (M54.16)
- sciatica NOS (M54.3)
ICD-10-CM FY2026 defines 4 codes beneath M51.1. See the ICD-10-CM index for what this site publishes.
Related codes in M51
- M51.0Thoracic, thrclm and lumbosacr intvrt disc disord w myelpathcategory
- 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
- Parent code
- M51
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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.