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 Analgesics (17) Antidepressants (3) Antidiabetics (4) Antiemetics (3) Antiepileptics/Antiseizures (2) Antihypertensives (6) Antimicrobials (4) Antineoplastics (1) Antipsychotics (3) (-) Biomarkers (1) Carbonic Anhydrase Inhibitors (1) Drugs of Abuse (2) Hallucinogens (6) Immunosuppressants (4) Muscle Relaxants (6) NMDA Antagonists (2) NPS/Designer Drugs (3) Sedative/Hypnotics (7) Solvents (1) Stimulants (11) Test Sub-Category Other (1) Test Test Name 2887B Methemoglobin, Blood