Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzymatic Assay (EZA) (2) Sample Type Fluid (1) Urine (1) Test Area (-) Diagnostic Aids (2) Test Category Benzodiazepines (3) Biomarkers (6) Depressants (13) (-) Electrolytes (2) Metals/Elements (2) NPS/Designer Drugs (18) Psychoactives (11) Sedative/Hypnotics (3) Stimulants (8) Test Sub-Category Small Molecule (2) Test Test Name 0645FL Bicarbonate, Fluid 0645U Bicarbonate, Urine