Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (74) Fluid (21) (-) Hair (2) Meconium (2) Oral Fluid (Saliva) (1) Serum or Plasma (74) Tissue (12) Urine (48) Test Area Therapeutics (2) Test Category (-) Analgesics (2) Depressants (1) Drugs of Abuse (1) Drugs of Abuse, Therapeutics (1) Hallucinogens (1) Metals/Elements (22) Other (1) Sedative/Hypnotics (1) Stimulants (2) Test Sub-Category Opiates/Opioids (2) Test Test Name 6923H Opiates Screen, Hair 9291H Fentanyl Screen, Hair