Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Sample Type Blood (1) Test Area Exposure (1) Test Category Antidepressants (5) Antiepileptics/Antiseizures (6) Antihistamines (2) Antineoplastics (2) Antipsychotics (2) Antirheumatics (2) Bronchodilators (3) Cholinesterase Inhibitors (2) Diuretics (2) Immunosuppressants (5) Muscle Relaxants (2) Other (1) Vasodilators (2) (-) Volatiles (1) Test Sub-Category (-) Other (1) Test Test Name 1611B Tetrafluoroethane and Difluoroethane Panel, Blood