What is the CPT code for flu vaccine?

As of 2015, the Current Procedural Terminology, or CPT, code for the injected preservative-free influenza vaccine for individuals 3 years of age and older is 90655, according to the American Academy of Pediatrics. The CPT code for the live intranasal vaccine is 90660.

The CPT code for the injected influenza vaccine for young children and infants is 90657, says the American Academy of Pediatrics. The code for the injected influenza vaccine that is not preservative-free is 90658.

A CPT code is a number assigned to a task or service a health care provider performs. The codes are used by third-party payers to reimburse the health care provider for the task or service, says About.com.