Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzymatic Assay (EZA) (2) Gas Chromatography (GC) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Sample Type Blood (1) Fluid (1) Test Area Diagnostic Aids (2) Test Category Alcohol Deterrents (1) Analgesics (16) Anesthetics (6) Antianxiety (7) Antiarrhythmics (4) Anticholinergics (10) Anticoagulants (3) Antidepressants (8) Antiepileptics/Antiseizures (10) Antifibrinolytics (1) Antihistamines (1) Antihypertensives (8) Antimicrobials (4) Antineoplastics (1) Antipsychotics (4) Antithrombotics (8) Benzodiazepines (3) (-) Biomarkers (2) Bronchodilators (4) Diuretics (5) Immunosuppressants (1) NPS/Designer Drugs (18) Pesticides/Insecticides (3) Plasticizers (2) Potassium Channel Blockers (2) Psychoactives (12) Sedative/Hypnotics (8) Stimulants (11) Volatiles (6) Test Sub-Category Small Molecule (2) Test Test Name 0420B Betahydroxybutyric Acid, Blood 0420FL Betahydroxybutyric Acid, Fluid