M51.1†† Dagger (etiology)
Lumbar and other intervertebral disc disorders with radiculopathy (G55.1*)
Dual coding (†/*)
This is a dagger (†) etiology code — pair it with the corresponding asterisk (*) manifestation code.
→ Full dagger (†) ↔ asterisk (*) mapping tableCoding guidance (WHO 2019)
Sciatica due to intervertebral disc disorder Excl.: lumbar radiculitis NOS (M54.1)
Sibling codes
M51Other intervertebral disc disordersM51.0†Lumbar and other intervertebral disc disorders with myelopathy (G99.2*)M51.2Other specified intervertebral disc displacementM51.3Other specified intervertebral disc degenerationM51.4Schmorl nodesM51.8Other specified intervertebral disc disordersM51.9Intervertebral disc disorder, unspecified