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M99.18

Billable

Subluxation complex (vertebral) of rib cage

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

What This Code Means

A partial dislocation of vertebrae in the chest and rib cage area that narrows the nerve canal, potentially causing chest pain or breathing-related symptoms.

Coding Tips

  • Verify the subluxation is in the thoracic spine region affecting the rib cage area
  • Document any associated respiratory symptoms or chest wall pain for complete clinical picture

Code Hierarchy

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