How and When to Use & Understanding the CPT Code 96372 Approval Issues Vitamin D Deficiency ICD 10 Code Billing & Guide What is the CPT code for an adult flu vaccination administration? 1. 90471 2. 90473 3. 90658 4. 90662 Billing and Coding: Another New Year of Codes Radiology Today Magazine Important Update for Medi Cal Rx Providers Starting in mid 2026, ICD 10 diagnosis codes will be required for all pharmacy claims. To help facilitate a smooth transition, we need to hear from you! In medical coding, HCPCS Modifier JB is an informational modifier indicating a drug was administered subcutaneously (under the skin) when the HCPCS code allows for multiple administration routes, like intravenous (IV) or