If you need more than just Marijuana, Confirmation, Serum lab test - add more tests one by one. Ecgonine Methyl Ester (component)Marijuana, Confirmation, Serum (test) Ecgonine Methyl Ester (component) Remove item Marijuana, Confirmation, Serum (test) Remove item No choices to choose from Please select an item from the autocomplete list Max stores per result: Any 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Verbose: See search details Laboratory tests search details Marijuana, Confirmation, Serum (test) (remove) Quest test: 14292 (Quest) Components: Delta-9-THC, Delta-9-THC Carboxy Acid No results found