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M47.021

Billable

Vertebral artery compression syndromes, occipito-atlanto-axial region

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

What This Code Means

Compression of the vertebral artery in the upper neck region where the skull meets the spine, which can cause dizziness or stroke-like symptoms.

Coding Tips

  • •Occipito-atlanto-axial region refers to the area involving the occipital bone, atlas (C1), and axis (C2) vertebrae
  • •Document any associated symptoms like vertigo, headache, or neurological deficits

Code Hierarchy

└M47Spondylosis└M47.0Anterior spinal and vertebral artery compression syndromes└M47.02Vertebral artery compression syndromes└M47.021Vertebral artery compression syndromes, occipito-atlanto-axial region
└M47.021Vertebral artery compression syndromes, occipito-atlanto-axial region

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