CPT Code 62321 Description, Examples & Reimbursement Guide Needing clarification on how to bill Immunizations for rural Health clinics Cpt code 90460. Thank you! CPT Code 20220: Superficial Bone Biopsy Guide 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,