Does Medicare Cover B12 Shots? Medicare.org Get Ready to Apply New CPT Codes For Spinal Procedures And Devices In the New Year : CPT 2017 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, CPT Code 20550 Used for Injections into a Tendon sheath, Ligament, or Aponeurosis Orthopedic Billing Expert