Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (3) Serum or Plasma (3) (-) Tissue (1) Urine (2) Test Area Therapeutics (1) Test Category Analgesics (1) Anesthetics (1) Antidepressants (1) Antimicrobials (1) Antipsychotics (1) (-) Antitussives/Cough Suppressants (1) Metals/Elements (4) Mood Stabilizers (1) Sedative/Hypnotics (2) Solvents (2) Volatiles (5) Test Sub-Category Other (1) Test Test Name 2915TI Dextro/Levo Methorphan, Tissue