Code List Updates

The most recent code list update is available here. Each update archive (.zip) includes html index files providing an overview of the latest updates by type, as well as electronic versions of the code sets in comma-delimited format.

Code sets include the following:

  • Claim Adjustment Reason Codes
  • Remittance Advice Remark Codes
  • Claim Status Category Codes
  • Claim Status Codes
  • Health Care Service Type Codes
  • Health Care Provider Taxonomy Code Set
  • Service Review Decision Reason Codes
  • Error Reason Codes
  • Industry Specific Remark Codes
  • Insurance Business Process Application Error Codes
  • Insurance Descriptor Codes

Code Update - July 1, 2025

Summer 2025 update. Includes updates to Error Reason Codes, Provider Taxonomy Codes, and Remittance Advice Remark Codes.

Download: A Code List Update Subscription is required to access this resource.




Code Update - March 1, 2025

Spring 2025 update. Includes updates to Claim Adjustment Reason Codes, Remittance Advice Remark Codes, and Provider Adjustment Reason Codes

Download: A Code List Update Subscription is required to access this resource.




Code Update - January 1, 2025

Winter 2025 update.

Download: A Code List Update Subscription is required to access this resource.