24 HR URINE CALCIUM PANEL (WRJ)

Message
CHEMISTRY


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


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



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.