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, B12 Injection sites + How to use B12 Shots Safely 96372 CPT Code: Injection of drug substance under skin or into muscle Vitamin B12 Monthly Injection Dose: Typical Dosages & Administration Methods Liv Hospital Billing CPT Code 96372 Accurate Injection Claim Guide Benefits of CPT Code IM Injection with UControl Billing