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Q28.1

Billable

Other malformations of precerebral vessels

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

What This Code Means

A birth defect of the blood vessels that supply the brain, such as abnormal narrowing or unusual branching patterns, excluding arteriovenous malformations.

Coding Tips

  • •Use this code for aneurysms, stenosis, or other vascular anomalies of precerebral vessels
  • •Differentiate from Q28.0 which specifically indicates arteriovenous malformations

Code Hierarchy

└Q28Other congenital malformations of circulatory system└Q28.1Other malformations of precerebral vessels
└Q28.1Other malformations of precerebral vessels

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