Container/Tube: 24 hr urine container with 30 mL 6N HCL preservative Specimen: 30 mL aliquot (4 mL minimum) urine Transport Temperature: Refrigerated Collection : 1. Instruct patient to void at 8AM and discard the specimen. 2. Preservative must be added to container prior to the start of collection. 3. Than collect all urine including the final specimen voided at the end of the 24-collection period(i.e.. 8AM the next morning). 4. Keep collection refrigerated during collection. Note: If original container is received with pH >3, but <5, adjust pH to <3 with 6N HCl.
Transport Instructions
Refrigerated
Specimen Stability
3 Days Room Temperature 14 Days Refrigerated 30 Days Frozen
Methodology
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
