M54.31 Sciatica, right side

Billable ICD-10-CM code, FY2026.

Applies from M54 Dorsalgia

Excludes1 (never code together)

• psychogenic dorsalgia (F45.41)

Applies from M54.3 Sciatica

Excludes1 (never code together)

• 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-)

MS-DRG index

Defines the logic of DRG(s) 551-552 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 724.3 Sciatica (approximate)

Code annotations containing back-references to M54.31

Back-references to M54.3

• Type 1 Excludes: G57.0 Lesion of sciatic nerve ("sciatica NOS (M54.3-)")
• Type 1 Excludes: M51.1 Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with radiculopathy ("sciatica NOS (M54.3)")
• Type 1 Excludes: M79.2 Neuralgia and neuritis, unspecified ("sciatica (M54.3-M54.4)")

Back-references to M54

• Type 1 Excludes: G55 Nerve root and plexus compressions in diseases classified elsewhere ("nerve root compression (due to) (in) dorsopathies (M53.-, M54.-)")
• Type 2 Excludes: G89 Pain, not elsewhere classified ("spine pain (M54.-)")
• Type 2 Excludes: R10 Abdominal and pelvic pain ("dorsalgia (M54.-)")
• Type 1 Excludes: R52 Pain, unspecified ("spine pain (M54.-)")

Nearby codes

• M54.17 Radiculopathy, lumbosacral region
• M54.18 Radiculopathy, sacral and sacrococcygeal region
• M54.2 Cervicalgia
• M54.3 Sciatica
• M54.30 Sciatica, unspecified side
• M54.31 Sciatica, right side (this code)
• M54.32 Sciatica, left side
• M54.4 Lumbago with sciatica
• M54.40 Lumbago with sciatica, unspecified side
• M54.41 Lumbago with sciatica, right side
• M54.42 Lumbago with sciatica, left side