Test Code RCA Urine Calcium, Random
Specimen Type
Urine, random
Container/Tube
Sterile Urine Container
Offsite Collection Instructions
1. Collect without additives or preservatives.
2. Random urine collections only.
3. Transport refrigerated (2-8° C).
Turnaround Time
24 hours
Test Includes
Quantitative determination of calcium in urine
Preferred Volume
0.5 mL
Specimen Minimum Volume
0.2 mL
Reject Due To
N/A
DAY(S) AND TIME(S) PERFORMED
Monday – Friday
STAT DAY(S) AND TIME(S) PERFORMED
N/A
STAT Turnaround Time
N/A
Method Name
Spectrophotometric
( with 5-nitro-5’-methyl-BAPTA)
Synonyms
N/A
Test Limitations
Urine should be pretreated and analyzed immediately.
Acidify sample to a pH of <2.0.
If preservatives need to be used for other analyte orders,
collect sample using Hydrochloric Acid (6N HCl)
Test Usage
The test is used for the diagnosis and monitoring of
hypocalcemia (calcium deficiency) and hypercalcemia (excess
calcium) in urine.
Drugs containing strontium salts may lead to significantly
increased calcium results.
UCMC Collection Instructions
1. Collect without additives or preservatives.
2. Random urine collections only.
3. Transport refrigerated (2-8° C).
Reference Values
Reference ranges for random urine specimens have not been
established; subject to ordering physician interpretation only.
Additional Information
N/A
Stability: Room Temp
2 days
Stability: Refrigerated
4 days
Stability: Frozen
3 months