ICD 10 D50D53 Anemias: Coding Guide for Accurate Billing 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, CYANOCOBALAMIN INJECTION, USP 30000 mcg 30 mL (1000 mcg mL) 30 mL VIAL CPT 96372: Billing for Therapeutic or Diagnostic Injections TREATMENT The B12 Society How and When to Use & Understanding the CPT Code 96372 Approval Issues