Days Set Up
Daily
Analytic Time

8 hours

MiChart Code
Calcium, Random Urine
Soft Order Code
CALU

Test Updated:

Synonyms

CALU
CALU
CALCIUM URINE 24 HOURS
CALCIUM URINE RANDOM
CALQ

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Test Overview

Test Methodology

Colorimetric (Arsenazo III)

Test Usage

Evaluation of calcium metabolism

Reference Range

Varies with diet: 100 - 300 mg/24 hours (2.50-7.50 mmol/24 hours). Random urine collections are reported in units of mg/dL, for which reference values are not established.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Instructions

Collect 24 hour urine specimen with no preservative. Aliquot 5 mL into a plastic urine container and refrigerate. Record total 24 hour urine volume and collection dates/times on request form. Random urine also acceptable.

Normal Volume
5 mL aliquot of 24 hour urine collection or 2 mL aliquot of random urine collection.
Minimum Volume
2 mL aliquot of 24 hour urine collection or 1 mL aliquot of random urine collection.

Billing Information

CPT Code
82340
Pro Fee Code
 
Insurance Auth Info
 
LOINC
17862-4

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.