Vitamin B 12 5000 mcg Injection 100mL 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, ICD 10 D50D53 Anemias: Coding Guide for Accurate Billing CYANOCOBALAMIN INJECTION, USP 30000 mcg 30 mL (1000 mcg mL) 30 mL VIAL CPT 96372: Billing for Therapeutic or Diagnostic Injections Cyanocobalamin 1,000 mcg mL Injection 1 mL McKesson