The administration of immunizations performed in a series is coded with the initial code plus:

Question

Quizplus · Accepted Answer

The administration of immunizations performed in a series is coded using an initial vaccination code along with an add-on code for each additional vaccination in the series. The add-on code is specific to the immunization given and indicates each additional dose administered. Modifier 58 is used for staged or related procedures and is not appropriate for this scenario. Additionally, repeating the initial code for each dose administered would result in incorrect coding and potential claim denials.

The Administration of Immunizations Performed in a Series Is Coded