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) Test Test Name 4245SP Sulfonamides, Undifferentiated, Serum/Plasma