Spinal osteochondrosis (M42) ICD-10-CM
The M42 code range covers spinal osteochondrosis with 24 ICD-10-CM diagnosis codes. 21 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the M42 Range 24 codes · 21 billable
- M42 Spinal osteochondrosisNon-billable
- M42.0 Juvenile osteochondrosis of spineNon-billable
- M42.00 Juvenile osteochondrosis of spine, site unspecified
- M42.01 Juvenile osteochondrosis of spine, occipito-atlanto-axial region
- M42.02 Juvenile osteochondrosis of spine, cervical region
- M42.03 Juvenile osteochondrosis of spine, cervicothoracic region
- M42.04 Juvenile osteochondrosis of spine, thoracic region
- M42.05 Juvenile osteochondrosis of spine, thoracolumbar region
- M42.06 Juvenile osteochondrosis of spine, lumbar region
- M42.07 Juvenile osteochondrosis of spine, lumbosacral region
- M42.08 Juvenile osteochondrosis of spine, sacral and sacrococcygeal region
- M42.09 Juvenile osteochondrosis of spine, multiple sites in spine
- M42.1 Adult osteochondrosis of spineNon-billable
- M42.10 Adult osteochondrosis of spine, site unspecified
- M42.11 Adult osteochondrosis of spine, occipito-atlanto-axial region
- M42.12 Adult osteochondrosis of spine, cervical region
- M42.13 Adult osteochondrosis of spine, cervicothoracic region
- M42.14 Adult osteochondrosis of spine, thoracic region
- 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
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the M42 range.
Spinal Osteochondrosis
A bone disorder involving ossification centers (EPIPHYSES) of the VERTEBRAL COLUMN.
About the M42 Code Range
ICD-10 code M42 covers spinal osteochondrosis, a condition affecting the spine's bone and cartilage, with classifications distinguishing between juvenile and adult forms at various spinal sites. These codes are essential for specifying the exact location and age group affected.
The ICD-10 code for spinal osteochondrosis includes subcategories such as M42.0 for juvenile and M42.1 for adult cases, further divided by regions like cervical, thoracic, lumbar, and sacral spine. For instance, juvenile osteochondrosis codes, including M42.00 (site unspecified) and M42.04 (thoracic region), relate to conditions also known as Calve’s vertebral osteochondrosis or familial Scheuermann disease, helping clarify the diagnosis. Similarly, adult codes such as M42.12 specify cervical spine involvement. These specific codes assist medical coders in accurately documenting spinal osteochondrosis cases, capturing the patient’s age group and the precise spine location, which guides treatment decisions and insurance claims. The section also includes an unspecified category, M42.9, for cases where the exact spinal site isn't noted.
Questions About This Page
How many billable codes are in the M42 range?
Of the 24 codes in this range, 21 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the M42 range classify?
The range classifies spinal osteochondrosis. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
