| 0965B |
Recent Cannabis Use Markers, Blood |
| 0965SP |
Recent Cannabis Use Markers, Serum/Plasma |
| 4085B |
Ranitidine, Blood |
| 4085SP |
Ranitidine, Serum/Plasma |
| 4085U |
Ranitidine, Urine |
| 4086B |
Ramelteon and Metabolite, Blood |
| 4086SP |
Ramelteon and Metabolite, Serum/Plasma |
| 4086U |
Ramelteon and Metabolite, Urine |
| 4101B |
Repaglinide, Blood |
| 4101SP |
Repaglinide, Serum/Plasma |
| 4102B |
Rosiglitazone, Blood |
| 4102SP |
Rosiglitazone, Serum/Plasma |
| 4105B |
Risperidone and Metabolite, Blood |
| 4105FL |
Risperidone and Metabolite, Fluid |
| 4105SP |
Risperidone and Metabolite, Serum/Plasma |
| 4105TI |
Risperidone and Metabolite, Tissue |
| 4105U |
Risperidone and Metabolite, Urine |
| 4110SP |
Rifampin, Serum/Plasma |
| 4114SP |
Rivaroxaban, Serum/Plasma |
| 4115B |
Ropinirole, Blood |
| 4115SP |
Ropinirole, Serum/Plasma |
| 4120B |
Ropivacaine, Blood |
| 4120SP |
Ropivacaine, Serum/Plasma |
| 4120U |
Ropivacaine, Urine |
| 4124B |
Rubidium, Blood |
| 4124R |
Rubidium, RBCs |
| 4124SP |
Rubidium, Serum/Plasma |
| 4124U |
Rubidium, Urine |
| 4125B |
Rufinamide, Blood |
| 4125SP |
Rufinamide, Serum/Plasma |