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QUESTION: REMITTANCE: What do the two-letter codes on my remittance advice mean?


Go to the CMS website at

  • Under Top Ten Links, select the MLN Products link
  • Open the MLN Products Catalog
  • Find the Remittance Advice Guide on page 3 and download it

You are encouraged to bookmark this CMS web page in your web browser favorites. The explanations of the CARC begin on page 65 of the guide.

Reviewed Date: 7/14/20
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