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24 HR URINE CALCIUM PANEL (WRJ)
MessageCHEMISTRY
Test Code
24 HR UA CA
Alias/See Also
24 HR URINE CA
Includes
TOTAL VOLUME, URINE CALCIUM, URINE CREATININE
Preferred Specimen
24 HR URINE
Minimum Volume
20 ML
Instructions
OBTAIN 24HR URINE CONTAINER FROM THE LAB. THIS IS A DRY URINE JUG. DATE AND TIME OF COLLECTION AT THE START OF COLLECTION, AND AT THE END OF COLLECTION MUST BE RECORDED ON THE JUG. KEEP ON ICE DURING COLLECTION PERIOD. pH TO BE REDUCED TO <2.0 IN LAB USING 6N HCL
Transport Container
24HR URINE CONTAINER-NO PRESERVATIVE or URINE CONTAINER WITH 25 ML OF 6NHCL
Transport Temperature
REFRIGERATED OR CONTAINER ON ICE
Specimen Stability
Acidify urine to pH <2
Room temperature: 2 days
Refrigerated (2-8°C): 4 days
Frozen (-20°C or colder): 3 weeks
Room temperature: 2 days
Refrigerated (2-8°C): 4 days
Frozen (-20°C or colder): 3 weeks
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
IMPROPER COLLECTION CONTAINER
Methodology
Arsenazo
Setup Schedule
DAILY:M-F
Report Available
24-48 HRS
Reference Range
100-300 mg/24h
Clinical Significance
Normal Calcium diet 100-300 mg/day. Low Calcium diet up to 150 mg/day.
Performing Laboratory
WHITE RIVER JUNCTION VT VA-CHEMISTRY 802-295-9363 EXT: 5518, 5519
