Days Set Up
Monday - Saturday
Analytic Time

1 day

Soft Order Code

Test Updated:


Beta-2-Microglobulin for Occupational Monitoring, Urine

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Test Overview

Test Methodology

Automated Chemiluminescent Immunometric Assay

Test Usage

Evaluation of renal tubular damage. Monitoring cadmium and mercury exposure.

Reference Range

< or = 300 mcg/L

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

Specimen Requirements

Collection Offsite

Instruct patient to void and discard first morning specimen, then drink at least 0.5 L of water. Within 1 hour of drinking water, collect random urine specimen. Add 1 M NaOH as a preservative to achieve pH of approximately 6-8. Freeze.

Normal Volume
3 mL urine
Minimum Volume
1 mL urine

Billing Information

CPT Code
Pro Fee Code

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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.