0541B |
Benzene, Blood |
0542U |
Benzene Incident, Urine (OSHA) |
0543U |
Benzene OSHA Exposure Panel, Urine |
0556U |
Benzidine, Urine |
0801B |
Buprenorphine and Metabolite - Free (Unconjugated), Blood |
0801U |
Buprenorphine and Metabolite - Total (Conjugated/Unconjugated), Urine |
0802B |
Buprenorphine and Metabolite - Free (Unconjugated) Screen, Blood |
0802U |
Buprenorphine Screen, Urine |
0835B |
Butane and Isobutane, Blood |
0885B |
Butorphanol - Free (Unconjugated), Blood |
0885U |
Butorphanol - Total (Conjugated/Unconjugated), Urine |