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) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type (-) Blood (3) Serum or Plasma (3) Urine (2) Test Area Therapeutics (3) Test Category Analgesics (3) Antianxiety (1) (-) Antidepressants (1) Antidiabetics (1) (-) Antihypertensives (2) NPS/Designer Drugs (3) Opiate/Opioid Antagonists (2) Sedative/Hypnotics (2) Stimulants (2) Test Sub-Category Beta Blockers (1) Calcium Channel Blockers (1) Other (1) Test Test Name 3103B Nadolol, Blood 3145B Nefazodone, Blood 3158B Nifedipine, Blood