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M43.04

Billable

Spondylolysis, thoracic region

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

What This Code Means

A stress fracture or defect in the vertebral bone of the mid-back (thoracic spine) that can weaken the spine's structure.

Coding Tips

  • Spondylolysis is a bilateral condition; verify if documentation specifies unilateral or bilateral involvement
  • Distinguish from spondylolisthesis (M43.1x), which involves forward slippage of vertebrae

Code Hierarchy

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