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) (10) Gas Chromatography (GC) (31) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (132) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (7) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (26) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (2) (-) Spectrophotometry (SP) (1) Sample Type Blood (1) RBCs (1) (-) Serum or Plasma (1) Test Area Therapeutics (1) Test Category Antimicrobials (1) Test Sub-Category Antibiotics (1) Test Test Name 4245SP Sulfonamides, Undifferentiated, Serum/Plasma