0420B |
Betahydroxybutyric Acid, Blood |
0541B |
Benzene, Blood |
0801B |
Buprenorphine and Metabolite - Free (Unconjugated), Blood |
0802B |
Buprenorphine and Metabolite - Free (Unconjugated) Screen, Blood |
0835B |
Butane and Isobutane, Blood |
0885B |
Butorphanol - Free (Unconjugated), Blood |