Understand the difference between Claim Primary Payer Identifier and Claim Payer Identifier in the Claims data guide.

In the Claim data ingestion guide what is the difference between Claim Primary Payer Identifier and Claim Payer Identifier?

The payer’s ID (NCAI Id) is entered in the claim_payer_id. If another payer is the primary on the claim and the payer is secondary then the NCAI Id of the other payer is entered in the primary payer identifier field.