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) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Sample Type Blood (13) (-) Fluid (1) Serum or Plasma (8) (-) Tissue (1) Urine (8) Test Area Exposure (1) Therapeutics (1) Test Category (-) Analgesics (1) Antidepressants (2) Antiepileptics/Antiseizures (3) Antihistamines (1) Antihypertensives (2) Drugs of Abuse (3) Hallucinogens (3) Metals/Elements (2) Therapeutics (6) (-) Volatiles (1) Test Sub-Category Opiates/Opioids (1) Other (1) Test Test Name 3974TI Propane, Tissue 3990FL Propoxyphene and Metabolite, Fluid