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Calcium, Random Urine
Message
SRHC Clients:
Transport room temp <4 hours
Transport refrigerated same day
Laboratory Staff: Random urine calcium should be acidified with 6N HCL to prevent calcium salt precipitation.
Test Code
UCARR
Preferred Specimen
5 mL random urine
Instructions
Random Urine Calcium specimens should be acidified with 6N HCl to prevent calcium salt precipitation.
To a 3 mL aliquot of well mixed urine add 2 - 3 drops of 6N HCl. Mix aliquot and verify pH is < 3. The amount of HCl added should be proportional to the volume of the aliquot so as not to dilute the sample.
To a 3 mL aliquot of well mixed urine add 2 - 3 drops of 6N HCl. Mix aliquot and verify pH is < 3. The amount of HCl added should be proportional to the volume of the aliquot so as not to dilute the sample.
Transport Container
5 mL urine
Specimen Stability
48 hrs if refrigerated. Refrigerate within 4 hours.
Random urine calcium specimens should be acidified with 6N HCL to prevent calcium salt precipitation.
Random urine calcium specimens should be acidified with 6N HCL to prevent calcium salt precipitation.
Methodology
Colorimetry
Setup Schedule
24/7
Report Available
4-8 hrs
Reference Range
See patient report.
