96372 CPT Code: Injection of drug substance under skin or into muscle 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, Vitamin B12 Deficiency ICD 10 CM Codes Billing and Coding: Another New Year of Codes Radiology Today Magazine How and When to Use & Understanding the CPT Code 96372 Approval Issues CYANOCOBALAMIN INJECTION, USP 30000 mcg 30 mL (1000 mcg mL) 30 mL VIAL