How do I bill for REMICADE? The product-specific HCPCS code for REMICADE® is J1745, infliximab, 10 mg. It is important to note that this code represents 1/10th of a vial. You should be sure to bill 10 units of J1745 on the claim form when indicating that a single 100-mg vial of REMICADE® was used. What is the cost of REMICADE without insurance?.