G0478

Drug test(s), presumptive, any number of drug classes; any number of devices or Drug test presump opt inst procedures, (e.g., immunoassay) read by instrument-assisted direct optical observation (e.g., dipsticks, cups, cards, cartridges), includes sample validation when performed, per date of service

The HCPCS code for drug test(s), presumptive, any number of drug classes; any number of devices or drug test presump opt inst procedures, (e.g., immunoassay) read by instrument-assisted direct optical observation (e.g., dipsticks, cups, cards, cartridges), includes sample validation when performed, per date of service is G0478.