M54.31 Sciatica, right side
ICD-10-CM · CMS code reference
M54.31 is sciatica, pain along the sciatic nerve, on the right side. If low back pain (lumbago) is documented with it, use M54.41 instead.
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Excludes1
Not coded together with this code. The exception is when the two conditions are unrelated to each other.
- intervertebral disc degeneration, lumbar region with lower extremity pain only (M51.361)
- intervertebral disc degeneration, lumbosacral region with lower extremity pain only (M51.371)
- lesion of sciatic nerve (G57.0)
- sciatica due to intervertebral disc disorder (M51.1-)
- sciatica with lumbago (M54.4-)
- psychogenic dorsalgia (F45.41)
- current injury - see injury of spine by body region
- discitis NOS (M46.4-)
Related codes
M54.17Radiculopathy, lumbosacral region ICD-10-CMM54.18Radiculopathy, sacral and sacrococcygeal region ICD-10-CMM54.2Cervicalgia ICD-10-CMM54.30Sciatica, unspecified side ICD-10-CMM54.32Sciatica, left side ICD-10-CMM54.40Lumbago with sciatica, unspecified side ICD-10-CMM54.41Lumbago with sciatica, right side ICD-10-CMM54.42Lumbago with sciatica, left side ICD-10-CM
Common questions
What's the difference between M54.31 and M54.41?
M54.31 is sciatica alone. M54.41 is sciatica with low back pain (lumbago). Sciatica with lumbago (M54.4-) is an Excludes1 note on M54.31, so pick one: M54.41 when the low back pain is documented as well.
Is M54.31 a billable code?
Yes. M54.31 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.