Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (2) Headspace Gas Chromatography (GC) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type (-) Blood (2) Serum or Plasma (2) Urine (1) Test Area Drugs of Abuse (1) Therapeutics (1) Test Category (-) Alcohols (1) Analgesics (10) Antianxiety (2) Antiarrhythmics (1) Antidepressants (3) Antidiabetics (2) Antiepileptics/Antiseizures (6) Antihistamines (1) Antihypertensives (5) Antimicrobials (2) Antipsychotics (5) (-) Antispasmodics (1) Appetite Suppressants (1) Decongestants (1) Herbicides (1) Immunosuppressants (1) NPS/Designer Drugs (4) Opiate/Opioid Antagonists (2) Perfluorinated Compounds (1) Sedative/Hypnotics (2) Stimulants (3) Test Sub-Category Antispasmodics (1) Biomarkers (1) Test Test Name 3266B Oxybutynin and Metabolite, Blood 3752B Phosphatidylethanol, Blood