M54: Dorsalgia
M54.3: Sciatica

excludes1
lesion of sciatic nerve (G57.0)
sciatica due to intervertebral disc disorder (M51.1-)
sciatica with lumbago (M54.4-)
M54.30: Sciatica, unspecified side
M54.31: Sciatica, right side
M54.32: Sciatica, left side

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