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Test Code RCA Urine Calcium, Random

Important Note

If ordering timed collection use order code URCA

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