Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type (-) Blood (1) Fluid (1) Serum or Plasma (1) (-) Urine (1) Test Area Drugs of Abuse (6) (-) Therapeutics (2) Test Category Analgesics (4) Antacids (2) Antianxiety (2) Antidepressants (7) Antiemetics (1) Antiepileptics/Antiseizures (5) Antigout Agents (1) Antihistamines (7) Antihypertensives (3) Antimicrobials (2) Antipsychotics (7) Depressants (1) Diuretics (2) Immunosuppressants (1) Muscle Relaxants (6) Sedative/Hypnotics (6) (-) Stimulants (2) Test Sub-Category CNS Stimulants (2) Test Test Name 0930B Caffeine, Blood 0930U Caffeine, Urine