Test directory: Creatinine, 24 Hr Urine

Ordering Code158
Test NameCreatinine, 24 Hr Urine
Alias24 Hr Urine Creatinine
Preferred SpecimenUrine, 24 Hour
Preferred Container24 Hour Urine Container
Optimum Volume1 mL
Collection InstructionsKeep refrigerated during collection. Do not include first morning specimen; collect all subsequent voidings. The last sample collected should be the first morning specimen voided the following morning at the same time as the previous morning's first voiding. Do NOT add preservatives. Record entire 24 Hr volume and collection time on container & requisition.
Handling InstructionsSend a well-mixed, 50 mL aliquot of specimen. Freeze aliquot if transport time >6 days.
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityRefrigerated: 6 Days
Frozen: 6 Months
Rejection CriteriaSpecimen older than stability limits, Preservatives added,
Received ambient
Avail. StatNO
Analytic Time1 Day
MethodologyAlkaline picrate-kinetic

Reference range(s)

The reference ranges listed below are valid on this date of November 23, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
24-hr Urine CreatinineALL1.0-2.00.7-1.6gm/24hr
Total VolumeALLmLSee report.
Total TimeALLminutesSee report.
Creatinine, UrineALLmg/dLSee report.