Injection and Infusion Coding: What You NEED to Know! Not all injections are created equal and in the CPT Medicine section, the difference between an IV infusion, an IM injection, New CPT Codes for Bivalent COVID 19 Vaccines: FDA Issues EUA VITAMIN B12 INJECTION 1000 mcg mL PRP Injection CPT Code 0232t Dr. PRP USA Does Procedure J3420 Require Prior Authorization? Cyanocobalamin Injection, Solution NDC70756 635