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 (-) Serum or Plasma (1) Test Area Therapeutics (1) Test Category Alcohols (1) Analgesics (1) Antidepressants (1) Antiepileptics/Antiseizures (4) Antihypertensives (1) (-) Antimicrobials (1) Depressants (1) NPS/Designer Drugs (1) Pesticides/Insecticides (1) Sedative/Hypnotics (5) Solvents (5) Stimulants (2) Test Sub-Category Antibiotics (1) Test Test Name 1959SP Ethambutol, Serum/Plasma