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Q21.9

Billable

Congenital malformation of cardiac septum, unspecified

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

What This Code Means

A birth defect involving an abnormal opening in the walls that separate the heart chambers, but the specific type is not identified or documented.

Coding Tips

  • •This is an unspecified code; use only when the type of cardiac septal defect cannot be determined from documentation
  • •Query the provider if more specific information about the defect location is available

Code Hierarchy

└Q21Congenital malformations of cardiac septa└Q21.9Congenital malformation of cardiac septum, unspecified
└Q21.9Congenital malformation of cardiac septum, unspecified

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