M46: Other inflammatory spondylopathies

Codes under M46 (Other inflammatory spondylopathies). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
M46.0	Spinal enthesopathy	—
M46.00	Spinal enthesopathy, site unspecified	✓
M46.01	Spinal enthesopathy, occipito-atlanto-axial region	✓
M46.1	Sacroiliitis, not elsewhere classified	✓
M46.02	Spinal enthesopathy, cervical region	✓
M46.2	Osteomyelitis of vertebra	—
M46.03	Spinal enthesopathy, cervicothoracic region	✓
M46.3	Infection of intervertebral disc (pyogenic)	—
M46.04	Spinal enthesopathy, thoracic region	✓
M46.4	Discitis, unspecified	—
M46.05	Spinal enthesopathy, thoracolumbar region	✓
M46.5	Other infective spondylopathies	—
M46.06	Spinal enthesopathy, lumbar region	✓
M46.07	Spinal enthesopathy, lumbosacral region	✓
M46.08	Spinal enthesopathy, sacral and sacrococcygeal region	✓
M46.8	Other specified inflammatory spondylopathies	—
M46.09	Spinal enthesopathy, multiple sites in spine	✓
M46.9	Unspecified inflammatory spondylopathy	—
M46.20	Osteomyelitis of vertebra, site unspecified	✓
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	✓
M46.30	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	✓
M46.40	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	✓
M46.46	Discitis, unspecified, lumbar region	✓
M46.47	Discitis, unspecified, lumbosacral region	✓
M46.48	Discitis, unspecified, sacral and sacrococcygeal region	✓
M46.49	Discitis, unspecified, multiple sites in spine	✓
M46.50	Other infective spondylopathies, site unspecified	✓
M46.51	Other infective spondylopathies, occipito-atlanto-axial region	✓
M46.52	Other infective spondylopathies, cervical region	✓
M46.53	Other infective spondylopathies, cervicothoracic region	✓
M46.54	Other infective spondylopathies, thoracic region	✓
M46.55	Other infective spondylopathies, thoracolumbar region	✓
M46.56	Other infective spondylopathies, lumbar region	✓
M46.57	Other infective spondylopathies, lumbosacral region	✓
M46.58	Other infective spondylopathies, sacral and sacrococcygeal region	✓
M46.59	Other infective spondylopathies, multiple sites in spine	✓
M46.80	Other specified inflammatory spondylopathies, site unspecified	✓
M46.81	Other specified inflammatory spondylopathies, occipito-atlanto-axial region	✓
M46.82	Other specified inflammatory spondylopathies, cervical region	✓
M46.83	Other specified inflammatory spondylopathies, cervicothoracic region	✓
M46.84	Other specified inflammatory spondylopathies, thoracic region	✓
M46.85	Other specified inflammatory spondylopathies, thoracolumbar region	✓
M46.86	Other specified inflammatory spondylopathies, lumbar region	✓
M46.87	Other specified inflammatory spondylopathies, lumbosacral region	✓
M46.88	Other specified inflammatory spondylopathies, sacral and sacrococcygeal region	✓
M46.89	Other specified inflammatory spondylopathies, multiple sites in spine	✓
M46.90	Unspecified inflammatory spondylopathy, site unspecified	✓
M46.91	Unspecified inflammatory spondylopathy, occipito-atlanto-axial region	✓
M46.92	Unspecified inflammatory spondylopathy, cervical region	✓
M46.93	Unspecified inflammatory spondylopathy, cervicothoracic region	✓
M46.94	Unspecified inflammatory spondylopathy, thoracic region	✓
M46.95	Unspecified inflammatory spondylopathy, thoracolumbar region	✓
M46.96	Unspecified inflammatory spondylopathy, lumbar region	✓
M46.97	Unspecified inflammatory spondylopathy, lumbosacral region	✓
M46.98	Unspecified inflammatory spondylopathy, sacral and sacrococcygeal region	✓
M46.99	Unspecified inflammatory spondylopathy, multiple sites in spine	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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