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/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (3) (-) Serum or Plasma (2) Urine (3) Test Area Exposure (1) Therapeutics (1) Test Category (-) Acids (1) Analgesics (4) Antiarrhythmics (1) Antidepressants (3) Antiepileptics/Antiseizures (2) (-) Antihypertensives (1) Antimicrobials (2) Antipsychotics (1) Depressants (1) Metals/Elements (1) Sedative/Hypnotics (1) Test Sub-Category Carboxylic Acids (1) Diuretics (1) Test Test Name 2134SP Formic Acid, Serum/Plasma 2140SP Furosemide, Serum/Plasma