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Calcium, Urine, Random

Calcium, Urine, Random

Alternate Test Name

Urinary Calcium; Urine Calcium

Epic Mnemonic
Sunquest Mnemonic

LAB371
CAUR

Category

Sendouts

Methodology

Photometric

Test Performance Schedule

Daily

Result Availability

1 – 2 days

Specimen Required

Container

Urine container

Volume

Pref. Vol: 10.0 mL
Min. Vol: 1.0 mL

Collection Instructions

Collect urine into preservative-free container
Transport urine in yellow top urine tube – no additive

Transportation Instructions


Refrigerated

Stability

Room temperature: 72 hours
Refrigerated (preferred): 72 hours
Frozen: Acceptable

Remarks

24-hour urine is optimal for specimen testing

CPT Codes

82310

Effective/Revised

8/19/2019

Clinical Significance

The main significance in determining urinary calcium lies in the differentiation between hypercalciuria and hypocalciuria and the differential diagnosis of nephrolithiasis.

 

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