Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Spectrophotometry (SP) (1) Sample Type Serum or Plasma (1) Test Area (-) Therapeutics (1) Test Category Antimicrobials (1) Test Sub-Category (-) Antibiotics (1) Biomarkers (1) Opiates/Opioids (5) Other (45) Selective Serotonin Reuptake Inhibitors (SSRI) (5) Toxic Elements (9) Trace Elements (6) Test Test Name 4245SP Sulfonamides, Undifferentiated, Serum/Plasma