CPT 96372: Injection Billing Made Simple for Medical Practices There are a number of items to be considered when billing for the Nursing service to perform drug therapy, the charge process is Does Procedure J3420 Require Prior Authorization? B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics Cyanocobalamin Vitamin B12 Injection 1000 mcg Mountainside Medical ANDA 080737 Cyanocobalamin Injection, USP 1,000 mcg mL Applicant: American Regent, Inc. Module 1, Section 1.14.1.1 Draft Car