When to use CPT code for B12 injection Medical Coding Guide 96372 Done Right: Dodge Injection Denials AAPC Knowledge Center 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 62323: Lumbar Epidural Injection Guide Pabau CPT Code 62321 Description, Examples & Reimbursement Guide Billing CPT Code 96372: A Guide to Accurate Therapeutic Injection Claims