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) Hair (1) (-) Serum or Plasma (1) Urine (1) Test Area Therapeutics (2) Test Category (-) Anticholinergics (2) Drugs of Abuse (21) Drugs of Abuse, Therapeutics (11) Exposure (1) Hallucinogens (22) NPS/Designer Drugs (1) Therapeutics (8) Test Sub-Category Other (2) Test Test Name 3957B Procyclidine, Blood 3957SP Procyclidine, Serum/Plasma