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) (1) Sample Type (-) Blood (1) Umbilical Cord (1) Urine (3) Test Area Drugs of Abuse (1) Test Category (-) Alcohols (1) Other (1) Test Sub-Category BAC (1) (-) Biomarkers (1) Other (7) Solvents (1) Test Test Name 3752B Phosphatidylethanol, Blood