ICD-10-CM 2027
ICD-10 code for sciatic rheumatism
From the official ICD-10-CM alphabetic index entry “Rheumatism (articular) (neuralgic) (nonarticular) › sciatic”. Page updated September 29, 2026.
About coding sciatic rheumatism
The ICD-10-CM code for sciatic rheumatism is M54.4 (Lumbago with sciatica).
Within M54 (dorsalgia), M54.4 is specifically for Lumbago with sciatica. Related codes cover panniculitis affecting regions of neck and back (M54.0), radiculopathy (M54.1), Cervicalgia (M54.2), sciatica (M54.3), low back pain (M54.5), pain in thoracic spine (M54.6), other dorsalgia (M54.8) and unspecified (M54.9).
To report this condition, pick the subcode that matches the documentation: M54.40 (unspecified side), M54.41 (right side) and M54.42 (left side).
Don't report M54.4 together with the conditions in its Excludes1 note: intervertebral disc degeneration, lumbar region with discogenic back pain and lower extremity pain (M51.362), intervertebral disc degeneration, lumbosacral region with discogenic back pain and lower extremity pain (M51.372) and lumbago with sciatica due to intervertebral disc disorder (M51.1-).