Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (3) Gas Chromatography (GC) (11) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (9) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Spectrofluorometry (SF) (1) Spectrophotometry (SP) (1) Sample Type (-) Blood (2) Urine (1) Test Area Test Category Test Sub-Category Test Test Name 8704B Desipramine, Blood 8705B Doxepin and Metabolite, Blood