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) Sample Type Blood (1) Serum or Plasma (1) Test Area (-) Therapeutics (2) Test Category Antimicrobials (2) Test Sub-Category Anticholinergics (3) (-) Antiparasitics (2) Barbiturates (3) Calcium Channel Blockers (5) Non-Barbiturate Sedative Hypnotics (2) Opiates/Opioids (1) Other (15) Phenothiazines (3) Tricyclic (5) Test Test Name 4045B Pyrimethamine, Blood 4045SP Pyrimethamine, Serum/Plasma