M46.20 is the authoritative medical code for Osteomyelitis of vertebra, site unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for osteomyelitis of vertebra, site unspecified (ICD-10-CM M46.20), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Osteomyelitis of vertebra, site unspecified is a billable ICD-10-CM diagnosis code M46.20.
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as M46.20, with their registry titles.
- M46 — Other inflammatory spondylopathies
- M46.0 — Spinal enthesopathy
- M46.00 — Spinal enthesopathy, site unspecified
- M46.01 — Spinal enthesopathy, occipito-atlanto-axial region
- M46.02 — Spinal enthesopathy, cervical region
- M46.03 — Spinal enthesopathy, cervicothoracic region
- M46.04 — Spinal enthesopathy, thoracic region
- M46.05 — Spinal enthesopathy, thoracolumbar region
- M46.06 — Spinal enthesopathy, lumbar region
- M46.07 — Spinal enthesopathy, lumbosacral region
- M46.08 — Spinal enthesopathy, sacral and sacrococcygeal region
- M46.09 — Spinal enthesopathy, multiple sites in spine
- M46.1 — Sacroiliitis, not elsewhere classified
- M46.2 — Osteomyelitis of vertebra
- M46.21 — Osteomyelitis of vertebra, occipito-atlanto-axial region
- M46.22 — Osteomyelitis of vertebra, cervical region
- M46.23 — Osteomyelitis of vertebra, cervicothoracic region
- M46.24 — Osteomyelitis of vertebra, thoracic region
- M46.25 — Osteomyelitis of vertebra, thoracolumbar region
- M46.26 — Osteomyelitis of vertebra, lumbar region
- M46.27 — Osteomyelitis of vertebra, lumbosacral region
- M46.28 — Osteomyelitis of vertebra, sacral and sacrococcygeal region
- 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
- 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
- M46.4 — Discitis, unspecified
- M46.40 — Discitis, unspecified, site unspecified
- M46.41 — Discitis, unspecified, occipito-atlanto-axial region
- M46.42 — Discitis, unspecified, cervical region
- M46.43 — Discitis, unspecified, cervicothoracic region
- M46.44 — Discitis, unspecified, thoracic region
- M46.45 — Discitis, unspecified, thoracolumbar region
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Osteomyelitis (general) (infective) (localized) (neonatal) (purulent) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis), vertebra
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code M50.20
Other cervical disc displacement, unspecified cervical region