M47.9 Spondylosis, unspecified

Billable ICD-10-CM code, FY2026.

Applies from M47 Spondylosis

Includes

• arthrosis or osteoarthritis of spine
• degeneration of facet joints

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 721.90 Spondylosis of unspecified site, without mention of myelopathy (approximate)

Code annotations containing back-references to M47.9

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 M47.9

• Spondylosis

Nearby codes

• M47.895 Other spondylosis, thoracolumbar region
• M47.896 Other spondylosis, lumbar region
• M47.897 Other spondylosis, lumbosacral region
• M47.898 Other spondylosis, sacral and sacrococcygeal region
• M47.899 Other spondylosis, site unspecified
• M47.9 Spondylosis, unspecified (this code)