M47.10 Other spondylosis with myelopathy, site unspecified

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

Applies from M47 Spondylosis

Includes

• arthrosis or osteoarthritis of spine
• degeneration of facet joints

Applies from M47.1 Other spondylosis with myelopathy

Applicable to

• Spondylogenic compression of spinal cord

Excludes1 (never code together)

• vertebral subluxation (M43.3-M43.5X9)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 721.91 Spondylosis of unspecified site, with myelopathy (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Code annotations containing back-references to M47.10

Back-references to M47.1

• Type 1 Excludes: G99.2 Myelopathy in diseases classified elsewhere ("spondylosis (M47.0-, M47.1-)")

Back-references to M47

• Type 1 Excludes: G54 Nerve root and plexus disorders ("spondylosis (M47.-)")
• Type 2 Excludes: M19 Other and unspecified osteoarthritis ("arthrosis of spine (M47.-)")
• Type 2 Excludes: M19 Other and unspecified osteoarthritis ("osteoarthritis of spine (M47.-)")

Diagnosis Index entries for M47.10

• Spondylosis › with › myelopathy NEC

Nearby codes

• M47.02 Vertebral artery compression syndromes
• M47.021 Vertebral artery compression syndromes, occipito-atlanto-axial region
• M47.022 Vertebral artery compression syndromes, cervical region
• M47.029 Vertebral artery compression syndromes, site unspecified
• M47.1 Other spondylosis with myelopathy
• M47.10 Other spondylosis with myelopathy, site unspecified (this code)
• M47.11 Other spondylosis with myelopathy, occipito-atlanto-axial region
• M47.12 Other spondylosis with myelopathy, cervical region
• M47.13 Other spondylosis with myelopathy, cervicothoracic region
• M47.14 Other spondylosis with myelopathy, thoracic region
• M47.15 Other spondylosis with myelopathy, thoracolumbar region