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 (3) Serum or Plasma (3) (-) Tissue (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Alcohols (1) Analgesics (7) Anesthetics (3) Antianxiety (3) Anticholinergics (4) Anticoagulants (1) Antidepressants (7) Antiepileptics/Antiseizures (3) Antihistamines (1) (-) Antihypertensives (2) Antimicrobials (3) Antipsychotics (1) Antitussives/Cough Suppressants (1) Benzodiazepines (1) Biomarkers (4) Bronchodilators (2) Depressants (9) Diuretics (1) Electrolytes (2) Metals/Elements (18) NPS/Designer Drugs (6) Pesticides/Insecticides (2) Plasticizers (1) Potassium Channel Blockers (1) Psychoactives (3) Sedative/Hypnotics (5) Solvents (2) Stimulants (9) Volatiles (8) Test Sub-Category Beta Blockers (2) Test Test Name 0483TI Atenolol, Tissue 0483U Atenolol, Urine