Pediatric Coding:
Look to Modifier 59 for This Combination Test
Published on Wed Dec 11, 2024
Question: When our practice tests one patient for flu A and flu B simultaneously, we bill 87804 [Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; Influenza] for the combination. Should I be appending modifier 76 or modifier 91 to show that the “double” testing for influenza is not an error? Michigan Subscriber Answer: While appending a modifier might [...]