M51.05 Intervertebral disc disorders with myelopathy, thoracolumbar region

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from M51 Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders

Excludes2 (not included here)

• cervical and cervicothoracic disc disorders (M50.-)
• sacral and sacrococcygeal disorders (M53.3)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 722.72 Intervertebral disc disorder with myelopathy, thoracic region (approximate)

Code annotations containing back-references to M51.05

Back-references to M51.0

• Type 1 Excludes: G99.2 Myelopathy in diseases classified elsewhere ("intervertebral disease (M50.0-, M51.0-)")

Back-references to M51

• Type 1 Excludes: G54 Nerve root and plexus disorders ("intervertebral disc disorders (M50-M51)")
• Type 1 Excludes: M54.6 Pain in thoracic spine ("pain in thoracic spine due to intervertebral disc disorder (M51.-)")
• Type 1 Excludes: S23.0 Traumatic rupture of thoracic intervertebral disc ("rupture or displacement (nontraumatic) of thoracic intervertebral disc NOS (M51.- with fifth character 4)")
• Type 1 Excludes: S33 Dislocation and sprain of joints and ligaments of lumbar spine and pelvis ("nontraumatic rupture or displacement of lumbar intervertebral disc NOS (M51.-)")
• Type 1 Excludes: S33.0 Traumatic rupture of lumbar intervertebral disc ("rupture or displacement (nontraumatic) of lumbar intervertebral disc NOS (M51.- with fifth character 6)")

Diagnosis Index entries for M51.05

• Degeneration, degenerative › intervertebral disc › thoracolumbar region › with › myelopathy
• Disease, diseased › intervertebral disc › thoracolumbar (with) › myelopathy
• Disorder (of) › disc (intervertebral) › with › myelopathy › thoracolumbar region
• Displacement, displaced › intervertebral disc NEC › thoracolumbar region › with › myelopathy

Nearby codes

• M51 Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders
• M51.0 Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with myelopathy
• M51.04 Intervertebral disc disorders with myelopathy, thoracic region
• M51.05 Intervertebral disc disorders with myelopathy, thoracolumbar region (this code)
• M51.06 Intervertebral disc disorders with myelopathy, lumbar region
• M51.1 Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with radiculopathy
• M51.14 Intervertebral disc disorders with radiculopathy, thoracic region
• M51.15 Intervertebral disc disorders with radiculopathy, thoracolumbar region
• M51.16 Intervertebral disc disorders with radiculopathy, lumbar region