Calcium, Timed Urine


Abbrev Code:UCAT   
Order Code:LAB3819Order Name:Calcium Timed Urine
Synonyms:UCAT
Methodology:Roche: Photometric
Vista: Bichromatic endpoint
St Johns/Woodwinds: Arsenezo III dye
CPT Codes: 82340 x1, 82340 x1, 81050 x1, 81050 x1
Test Includes:Calcium urine mg/dL; calcium urine g/spec; duration in hours; volume in mL
Turnaround Time:Performed and reported 24 hours/day.
Associated Links:

Urine Collection Procedure, Roche Go Live Schedule



Collection Instructions

Specimen:Urine, timed collection (20 to 28 hours)
Optimal Volume:Submit entire collection; analysis requires 1 mL
Container:3 L plastic jug
Collection Instructions:Place specimen on ice or in refrigerator during collection.


Processing and Shipping

Specimen Processing:Mix collection well before aliquot is taken. Aliquot 5 mL, 1 mL minimum. Store in refrigerator.

Urine containing bladder fluid is acceptable. Enter coded comment IRRFL (urine contains bladder irrigation fluid).
Shipping Instructions:Ship at refrigerated temperature.
Stability:2 days at room temperature; 4 days refrigerated, 3 weeks frozen.
Test Performed at or Referral Lab Chemistry  (CSC Mpls, Northland, Range, Roche-UMMC East, Southdale, St. John's, UMMC West Bank, Woodwinds)


Interpretive

Reference Range:Urine Chemistry Reference Ranges
Use:Suspect hypocalcemia or hypercalcemia. Monitor treatment for calcemic disorder.


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