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) (5) (-) Spectrophotometry (SP) (1) Sample Type Serum or Plasma (1) Test Area Therapeutics (1) Test Category Antimicrobials (1) Test Sub-Category (-) Antibiotics (1) Antiparasitics (2) Barbiturates (3) Biomarkers (1) Calcium Channel Blockers (5) Non-Barbiturate Sedative Hypnotics (2) Opiates/Opioids (1) Organochlorides (1) Other (30) Phenothiazines (3) Sedative-Hypnotics (2) Tricyclic (5) Test Test Name 4245SP Sulfonamides, Undifferentiated, Serum/Plasma