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 (2) Anticholinergics (4) Antidepressants (2) Antiepileptics/Antiseizures (2) (-) Antimicrobials (1) Antimigraines (2) Antiparkinsons (1) Biomarkers (2) Immunosuppressants (1) Metals/Elements (8) NPS/Designer Drugs (4) Opiates/Opioids (2) Pesticides/Insecticides (2) Sedative/Hypnotics (4) Vasodilators (2) Volatiles (2) Test Sub-Category Antibiotics (1) Test Test Name 4245SP Sulfonamides, Undifferentiated, Serum/Plasma