HCPCS Code: G0478
Long Description: Drug test(s), presumptive, any number of drug classes; any number of devices or 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
Short Description: Drug test presump opt inst
Original information is taken from G0478 page