Test directory: Urine Calcium/Urine Creat Ratio

Ordering Code6642
Test NameUrine Calcium/Urine Creat Ratio
AliasUrine Calcium/Urine Creatinine
Preferred SpecimenUrine, Random
Preferred ContainerClean Container
Other Specimen/Container24 Hr Urine in Clean Container, Urine in Sterile Container
Optimum Volume1 mL
Collection InstructionsKeep refrigerated during collection.
Handling InstructionsNeeds preservative

Urine Calcium: Acidify urine to PH<2.0 with 6N HCL after collection
Urine Creatinine does not need preservative.
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityAmbient: 2 Days
Refrigerated: 4 Days
Frozen: 3 Months
Rejection CriteriaInsufficient quantity, Leaking specimen
Avail. StatNO
Analytic Time2 Days
MethodologySee individual tests

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Creatinine, UrineALLmg/dLSee report.
Calcium, UrineALLmg/dLSee report.
Calcium/Creatinine RatioALLSee report.