Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Gas Chromatography (GC) (3) Headspace Gas Chromatography (GC) (1) Hematofluorometry (H) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (13) (-) Spectrophotometry (SP) (1) Sample Type Serum or Plasma (1) Test Area Therapeutics (1) Test Category (-) Antimicrobials (1) Biomarkers (2) Test Sub-Category Antibiotics (1) Test Test Name 4245SP Sulfonamides, Undifferentiated, Serum/Plasma