Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type (-) Blood (2) Serum or Plasma (2) Urine (1) Test Area Drugs of Abuse (1) Therapeutics (1) Test Category Antihypertensives (1) NPS/Designer Drugs (1) Test Sub-Category Benzodiazepines (3) Beta Blockers (1) (-) Calcium Channel Blockers (1) NSAIDs (2) Opiates/Opioids (1) Other (11) (-) Stimulants (1) Synthetic Cathinone (1) Toxic Elements (1) Tricyclic (3) Test Test Name 3158B Nifedipine, Blood 3224B NPS Stimulants (Qualitative), Blood