Drug test(s), presumptive, any number of drug classes, any number of devices or procedures; by instrument chemistry analyzers (eg, utilizing immunoassay
[eg, EIA, ELISA, EMIT, FPIA, IA, KIMS, RIA]),
chromatography (eg, GC, HPLC), and mass spectrometry
either with or without chromatography, (eg, DART, DESI, GC MS, GC-MS/MS, LC-MS, LC-MS/MS, LDTD, MALDI, TOF)
includes sample validation when performed, per date of
service