C9399 Insurance Policy Changes

HCPCS C9399 is officially defined as "Unclassified drugs or biologicals." HCPCS C9399 is referenced in 50 tracked payer policy changes from Capital Blue Cross, Anthem BCBS, and 6 other payers. For billers and coders, staying current on payer-specific coverage criteria, reimbursement rules, and prior-authorization requirements for HCPCS C9399 is critical to clean claim submission. Each entry below links to the full policy analysis with effective dates and action steps.