Technique: 20 ml. (10 ml. Minimum) Well mixed aliquot of 24 Hour Urine in a sterile, screw capped plastic container.
Technique: 2-8C
Sample Collection Instruction: 10 mL aliquot of 24 hrs Urine. Collect urine with 25 mL 50 % of concentrated HCL to maintain pH below 3.For children adjust the volume of acid according to the expected urinary output . Keep urine refrigerated during collection. Mix well before aliquoting. Record body weight & 24 hrs volume on container and test request form. Ship refrigerated of frozen. Avoid vitamin C and citrus fruits 48 hrs prior to a specimen collection