Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Spectrophotometry (SP) (1) Sample Type Blood (1) Test Area Exposure (1) Test Category Alcohols (9) Anesthetics (3) Antianxiety (3) Antiarrhythmics (5) Antidiabetics (4) Antiepileptics/Antiseizures (2) Antineoplastics (3) Antipsychotics (3) Antithyroids (2) (-) Biomarkers (1) Carbonic Anhydrase Inhibitors (1) Hallucinogens (15) Herbicides (1) Immunosuppressants (4) Metals/Elements (28) Muscle Relaxants (6) NMDA Antagonists (2) Pesticides/Insecticides (3) Sedative/Hypnotics (3) Solvents (5) Stimulants (9) Volatiles (13) Test Sub-Category Alkaloids (3) (-) Other (1) Test Test Name 2887B Methemoglobin, Blood