| 1352U |
o-Cresol, Urine |
| 1355U |
o-Toluidine, Urine |
| 3226B |
Olanzapine and Metabolite, Blood |
| 3226FL |
Olanzapine, Fluid |
| 3226SP |
Olanzapine and Metabolite, Serum/Plasma |
| 3226TI |
Olanzapine, Tissue |
| 3232B |
Omeprazole / Esomeprazole, Blood |
| 3232SP |
Omeprazole / Esomeprazole, Serum/Plasma |
| 3236B |
Opiates Screen, Blood |
| 3236FL |
Opiates Screen, Fluid |
| 3236SP |
Opiates Screen, Serum/Plasma |
| 3236TI |
Opiates Screen, Tissue |
| 3236U |
Opiates Screen, Urine |
| 3241B |
Opiates - Free (Unconjugated), Blood |
| 3243B |
Organochlorine Pesticides, Blood |
| 3243F |
Organochlorine Pesticides, Fat |
| 3243SP |
Organochlorine Pesticides, Serum/Plasma |
| 3243TI |
Organochlorine Pesticides, Tissue |
| 3245U |
Organophosphate Pesticide Metabolites, Urine |
| 3248B |
Orphenadrine, Blood |
| 3248SP |
Orphenadrine, Serum/Plasma |
| 3248U |
Orphenadrine, Urine |
| 3250SP |
Oxalate, Serum/Plasma |
| 3250U |
Oxalate, Urine |
| 3260B |
Oxazepam, Blood |
| 3260SP |
Oxazepam, Serum/Plasma |
| 3260U |
Oxazepam, Urine |
| 3265B |
Oxcarbazepine / Eslicarbazepine Acetate as Metabolite, Blood |
| 3265SP |
Oxcarbazepine / Eslicarbazepine Acetate as Metabolite, Serum/Plasma |
| 3266B |
Oxybutynin, Blood |
| 3266SP |
Oxybutynin, Serum/Plasma |
| 3266U |
Oxybutynin, Urine |
| 3270B |
Oxycodone - Free (Unconjugated), Blood |
| 3270FL |
Oxycodone - Free (Unconjugated), Fluid |
| 3270SP |
Oxycodone - Free (Unconjugated), Serum/Plasma |
| 3286B |
Oxaprozin, Blood |
| 3286SP |
Oxaprozin, Serum/Plasma |
| 6923H |
Opiates Screen, Hair |
| 8660B |
Opiates - Free (Unconjugated), Blood |
| 8660FL |
Opiates - Free (Unconjugated), Fluid |
| 8660SP |
Opiates - Free (Unconjugated), Serum/Plasma |
| 8660TI |
Opiates - Free (Unconjugated), Tissue |
| 8660U |
Opiates - Free (Unconjugated), Urine |
| 8667B |
Oxycodone and Metabolite - Free (Unconjugated), Blood |
| 8667FL |
Oxycodone and Metabolite - Free (Unconjugated), Fluid |
| 8667SP |
Oxycodone and Metabolite - Free (Unconjugated), Serum/Plasma |
| 8667TI |
Oxycodone and Metabolite - Total (Conjugated/Unconjugated), Tissue |
| 8667U |
Oxycodone and Metabolite - Total (Conjugated/Unconjugated), Urine |
| 8668B |
Oxymorphone - Free (Unconjugated), Blood |
| 8668SP |
Oxymorphone - Free (Unconjugated), Serum/Plasma |
| 8668U |
Oxymorphone - Total (Conjugated/Unconjugated), Urine |
| 8670B |
Opiates - Total (Conjugated/Unconjugated), Blood |
| 8670FL |
Opiates - Total (Conjugated/Unconjugated), Fluid |
| 8670ME |
Opiates - Total (Conjugated/Unconjugated) (Qualitative), Meconium |
| 8670SP |
Opiates - Total (Conjugated/Unconjugated), Serum/Plasma |
| 8670TI |
Opiates - Total (Conjugated/Unconjugated), Tissue |
| 8670U |
Opiates - Total (Conjugated/Unconjugated), Urine |
| 8671B |
Opiates - Free and Total, Blood |
| 8671SP |
Opiates - Free and Total, Serum/Plasma |
| 8671U |
Opiates - Free and Total, Urine |
| 8895OF |
Opiates (Qualitative), Oral Fluid (Saliva) |
| 9132B |
Oxycodone Screen, Blood |
| 9132SP |
Oxycodone Screen, Serum/Plasma |
| 9219B |
Orphenadrine Screen, Blood |