Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (1) Serum or Plasma (1) Test Area Exposure (2) (-) Therapeutics (2) Test Category Analgesics (16) Anesthetics (8) Antacids (3) Antiarrhythmics (4) Anticholinergics (3) Antidepressants (32) Antidiabetics (6) Antiepileptics/Antiseizures (23) Antihistamines (2) Antihypertensives (19) Antimicrobials (14) Antimigraines (3) Antineoplastics (2) Antiparkinsons (6) Antipsychotics (23) (-) Antirheumatics (2) Antithrombotics (3) Bronchodilators (4) Cholinesterase Inhibitors (5) Decongestants (3) Diuretics (4) Hypoglycemic Agents (2) Immunosuppressants (7) Muscle Relaxants (2) Other (1) Sedative/Hypnotics (21) Stimulants (6) Sympathomimetic Amines (3) Vasodilators (7) Test Sub-Category Other (2) Test Test Name 4489B Tofacitinib, Blood 4489SP Tofacitinib, Serum/Plasma