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M42.01

Billable

Juvenile osteochondrosis of spine, occipito-atlanto-axial region

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A developmental condition in children where the vertebral bones at the base of the skull and upper neck fail to ossify properly, causing inflammation and degeneration.

Coding Tips

  • This rare location requires careful documentation to distinguish from other cervical spine conditions
  • Verify imaging confirms involvement of the occipito-atlanto-axial region specifically

Code Hierarchy

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