August 26, 2020: Remittance Advice Remark Code (RARC) Update

August 26, 2020: Attention All Providers:  As of September 1, 2020, the Remittance Advice Remark Code (RARC) N644 and N517 will be expired. N644 Reimbursement has been made according to the bilateral procedure rule will be replaced with N657 This should be billed with the appropriate code for these services. RARC code N517 Resubmit a new claim with the requested information will expire will be replaced with N519 Invalid combination of HCPCS modifiers.

Additional RARC definitions can be found at