IMMEDIATE: Billing team must update billing system to add 12 new HCPCS codes (83880, 84302, 85004, 85032, 85049, 85380, 87255, 87267, 87271, 88174, 88175, 89055) with their respective maximum fee allowances for all claims with dates of service on or after January 1, 2003. By May 1, 2003: Remove 15 deleted HCPCS codes (80090, 85021, 85022, 85023, 85024, 85031, 85585, 85590, 85595, 86915, 87198, 87199, 88144, 88145) from billing system for all claims with service dates on or after May 1, 2003. Train providers and billing staff on replacement codes per the deletion crosswalk provided (e.g., use 86664, 86694, 86762, or 86777 instead of 80090; use 85007 or 85027 instead of 85023). Update Hospital Manual and internal coding guidelines. Verify all pathology/laboratory claims submitted between January 1 and May 1, 2003 use only the newly added codes. Failure to update codes will result in claim denials and processing delays for New Jersey Medicaid and NJ FamilyCare claims.