M54.16 Radiculopathy, lumbar region

Billable ICD-10-CM code, FY2026.

Applies from M54 Dorsalgia

Excludes1 (never code together)

• psychogenic dorsalgia (F45.41)

Applies from M54.1 Radiculopathy

Applicable to

• Brachial neuritis or radiculitis NOS
• Lumbar neuritis or radiculitis NOS
• Lumbosacral neuritis or radiculitis NOS
• Thoracic neuritis or radiculitis NOS
• Radiculitis NOS

Excludes1 (never code together)

• neuralgia and neuritis NOS (M79.2)
• radiculopathy with cervical disc disorder (M50.1)
• radiculopathy with lumbar and other intervertebral disc disorder (M51.1-)
• radiculopathy with spondylosis (M47.2-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 724.4 Thoracic or lumbosacral neuritis or radiculitis, unspecified (approximate)

Code annotations containing back-references to M54.16

Back-references to M54.16

• Type 1 Excludes: G54 Nerve root and plexus disorders ("neuritis or radiculitis lumbar NOS (M54.16)")
• Type 1 Excludes: M51.1 Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with radiculopathy ("lumbar radiculitis NOS (M54.16)")

Back-references to M54.1

• Type 1 Excludes: M79.2 Neuralgia and neuritis, unspecified ("brachial radiculitis NOS (M54.1)")
• Type 1 Excludes: M79.2 Neuralgia and neuritis, unspecified ("lumbosacral radiculitis NOS (M54.1)")
• Type 1 Excludes: M79.2 Neuralgia and neuritis, unspecified ("radiculitis NOS (M54.1)")

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.-)")

Diagnosis Index entries for M54.16

• Neuritis (rheumatoid) › lumbar
• Radiculopathy › lumbar region

Nearby codes

• M54.11 Radiculopathy, occipito-atlanto-axial region
• M54.12 Radiculopathy, cervical region
• M54.13 Radiculopathy, cervicothoracic region
• M54.14 Radiculopathy, thoracic region
• M54.15 Radiculopathy, thoracolumbar region
• M54.16 Radiculopathy, lumbar region (this code)
• M54.17 Radiculopathy, lumbosacral region
• M54.18 Radiculopathy, sacral and sacrococcygeal region
• M54.2 Cervicalgia
• M54.3 Sciatica
• M54.30 Sciatica, unspecified side