M46.34 Infection of intervertebral disc (pyogenic), thoracic region

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

Applies from M46.3 Infection of intervertebral disc (pyogenic)

Use additional code

• code (B95-B97) to identify infectious agent.

Risk adjustment (HCC)

• CMS-HCC V28: HCC 92 — Bone/Joint/Muscle/Severe Soft Tissue Infections/Necrosis
• CMS-HCC V22: HCC 39 — Bone/Joint/Muscle Infections/Necrosis
• ESRD V24: HCC 39

MS-DRG index

Defines the logic of DRG(s) 456-458 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 730.98 Unspecified infection of bone, other specified sites (approximate)

Code annotations containing back-references to M46.34

Back-references to M46

• Type 1 Excludes: G55 Nerve root and plexus compressions in diseases classified elsewhere ("nerve root compression (due to) (in) spondylopathies (M46.-, M48.-)")

Diagnosis Index entries for M46.34

• Infection, infected, infective (opportunistic) › intervertebral disc, pyogenic › thoracic region

Nearby codes

• M46.3 Infection of intervertebral disc (pyogenic)
• M46.30 Infection of intervertebral disc (pyogenic), site unspecified
• M46.31 Infection of intervertebral disc (pyogenic), occipito-atlanto-axial region
• M46.32 Infection of intervertebral disc (pyogenic), cervical region
• M46.33 Infection of intervertebral disc (pyogenic), cervicothoracic region
• M46.34 Infection of intervertebral disc (pyogenic), thoracic region (this code)
• M46.35 Infection of intervertebral disc (pyogenic), thoracolumbar region
• M46.36 Infection of intervertebral disc (pyogenic), lumbar region
• M46.37 Infection of intervertebral disc (pyogenic), lumbosacral region
• M46.38 Infection of intervertebral disc (pyogenic), sacral and sacrococcygeal region
• M46.39 Infection of intervertebral disc (pyogenic), multiple sites in spine