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 Anesthetics (6) Antianxiety (3) Antiarrhythmics (3) Anticholinergics (4) Antidepressants (9) Antiepileptics/Antiseizures (2) Antihistamines (4) Antipsychotics (1) Antitussives/Cough Suppressants (3) Biomarkers (4) Diuretics (2) Drugs of Abuse (1) (-) Electrolytes (2) Muscle Relaxants (4) Plasticizers (2) Volatiles (6) Test Sub-Category (-) Small Molecule (2) Test Test Name 0645FL Bicarbonate, Fluid 0645U Bicarbonate, Urine