Having trouble telling biologic response modifiers from monoclonal antibodies? Our chart can help There more than 80 different drugs your oncologist might use along with the chemotherapy administration codes (96401-96549), according to Empire Medicare Services. Use this chart to help speed up your HCPCS coding for drug supplies. Remember: While this information is provided by Empire Medicare, Part B carrier in New Jersey and New York, your local contractor may slightly vary the list. Make certain that you follow written guidance provided by your local payers when filing claims.