24-hour urine collected in a 24-hour urine container with 10 mL 6N hydrochloric acid (HCl) as a preservative. Specimen may also be collected without a preservative if kept refrigerated. Note time collection started and stopped.
Handling:
Send complete collection in original container. If submitting aliquot, mix total collection well, then measure and record total volume before pouring off into a sterile container. Refrigerate. Refrigerate. pH will be adjusted to <5.0 if necessary after receipt at performing laboratory.
Standard Volume:
25 mL aliquot or total urine collection.
Minimum Volume:
5 mL aliquot.
Transport:
Refrigerated.
Rejection Criteria:
Incomplete collection; specimen collected without preservative or refrigeration.