When ASC coders are coding for drug testing, they need to be aware of the two codes possible and the differences between the codes, according to AAPC. The code 80104 can be used for multiple drugs or ...
CMS will pay for only a single test per patient encounter, regardless of the number of drug classes tested. If your practice is doing these tests in a CLIA-waved setting, the code should be G0434-QW x ...