2079B |
Fentanyl and Metabolite, Blood |
2079U |
Fentanyl and Metabolite, Urine |
2276B |
Heroin Metabolites - Free (Unconjugated), Blood |
2276U |
Heroin Metabolites - Free (Unconjugated), Urine |
2340B |
Hydrocodone - Free (Unconjugated), Blood |
2610B |
Meperidine and Metabolite, Blood |
2610U |
Meperidine and Metabolite, Urine |