Technique: High Performance Liquid Chromatography (HPLC)
Technique: 50 ml.(10 ml. minimum) Well mixed aliquot of 24 Hour Urine in a sterile, screw capped, plastic container. Collect urine with appropriate volume of 50% HCl to maintain pH between 1-3
Technique: 2-8C
Sample Collection Instruction: Specify age and sex on test requisition form.
