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Appeal how-to guide CARC 97

How to appeal a bundling denial.

Last updated: August 2026

Not every CARC 97 denial should be appealed, but when two services on the same claim were genuinely separate and distinct, you have a real case. The key is understanding when bundling is clinically appropriate and when it is not, and then assembling the documentation to prove your position.

What the full brief covers

Signed-in members see the full brief. Here is what it contains.

  • Check the CCI edit first
  • Choosing the right modifier
  • Documentation required
  • Writing the appeal
  • Bundling appeal letter template (fillable Word download)

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