Can you code a 90471 with a 90658?

Yes, you can code a 90471 (Immunization administration) with a 90658 (Influenza virus vaccine) as they represent different services. The 90471 code is used for the administration of vaccines, while the 90658 code specifically refers to the flu vaccine itself. When billing, ensure that the appropriate modifiers and documentation are included to clarify that these services are distinct and necessary.