CYANOCOBALAMIN INJECTION, USP 30000 mcg 30 mL (1000 mcg mL) 30 mL VIAL There are a number of items to be considered when billing for the Nursing service to perform drug therapy, the charge process is Cyanocobalamin Injection, Solution NDC0517 0031 25 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, CPT Code 20610: Joint Injection and Aspiration Billing Guide