M42.9 Spinal osteochondrosis, unspecified

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 553-554 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 732.9 Unspecified osteochondropathy (approximate)

Code annotations containing back-references to M42.9

Back-references to M42

• Type 1 Excludes: M40.0 Postural kyphosis ("osteochondrosis of spine (M42.-)")
• Type 2 Excludes: M93 Other osteochondropathies ("osteochondrosis of spine (M42.-)")
• Type 2 Excludes: M95 Other acquired deformities of musculoskeletal system and connective tissue ("deforming dorsopathies (M40-M43)")

Diagnosis Index entries for M42.9

• Osteochondrosis › spine

Nearby codes

• M42.15 Adult osteochondrosis of spine, thoracolumbar region
• M42.16 Adult osteochondrosis of spine, lumbar region
• M42.17 Adult osteochondrosis of spine, lumbosacral region
• M42.18 Adult osteochondrosis of spine, sacral and sacrococcygeal region
• M42.19 Adult osteochondrosis of spine, multiple sites in spine
• M42.9 Spinal osteochondrosis, unspecified (this code)