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 Analgesics (7) Antiarrhythmics (1) Anticholinergics (4) Antidepressants (2) Antiepileptics/Antiseizures (1) (-) Antimicrobials (1) Antimigraines (2) Antiparkinsons (1) Biomarkers (1) Diagnostic Aids (1) Metals/Elements (9) NPS/Designer Drugs (5) Opiates/Opioids (2) Pesticides/Insecticides (2) Sedative/Hypnotics (3) Vasodilators (2) Volatiles (2) Test Sub-Category Antibiotics (1) Test Test Name 4245SP Sulfonamides, Undifferentiated, Serum/Plasma