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M99.30

Billable

Osseous stenosis of neural canal of head region

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

What This Code Means

Bone overgrowth in the head region that narrows the space where nerves pass through, potentially causing headaches or nerve compression symptoms.

Coding Tips

  • •Verify documentation specifies osseous (bone-related) stenosis rather than soft tissue stenosis
  • •Confirm head region location; if skull base or specific cranial location, document for clarity

Code Hierarchy

└M99Biomechanical lesions, not elsewhere classified└M99.3Osseous stenosis of neural canal└M99.30Osseous stenosis of neural canal of head region
└M99.30Osseous stenosis of neural canal of head region

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