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) (1) Sample Type Fluid (1) (-) Urine (1) Test Area Diagnostic Aids (1) Test Category Analgesics (2) Anesthetics (1) Antianxiety (1) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (2) Benzodiazepines (1) Biomarkers (1) Depressants (1) (-) Electrolytes (1) Muscle Relaxants (1) NPS/Designer Drugs (2) Stimulants (1) Test Sub-Category Small Molecule (1) Test Test Name 0645U Bicarbonate, Urine