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) Sample Type Blood (1) (-) Serum or Plasma (1) Test Area Therapeutics (1) Test Category Antidepressants (1) Test Sub-Category Alpha-1 Adrenergic Agonists (1) Alpha Blockers (1) Antibiotics (1) Antifungals (1) Antivirals (1) Barbiturates (4) Beta Blockers (2) GABA Analogues (1) NSAIDs (1) Opiates/Opioids (1) Other (16) Phenothiazines (1) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Stimulants (1) Sympathomimetic Agents (3) (-) Tricyclic (1) Test Test Name 8706SP Protriptyline, Serum/Plasma