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Q23.1

Billable

Congenital insufficiency of aortic valve

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

What This Code Means

A birth defect where the aortic valve does not close properly, allowing blood to leak backward into the heart chamber.

Coding Tips

  • •Document the degree of insufficiency/regurgitation if specified in the clinical assessment
  • •Differentiate from acquired aortic insufficiency (I35.1) which develops after birth

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