Days Set Up
Varies; test performed once per week
Analytic Time

24 hours

MiChart Code
Urine Protein Electrophoresis
Soft Order Code

Test Updated:


Electrophoresis, Protein, Urine
Globulins, Urine
Urine Electrophoresis
Urine Protein Electrophoresis

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Test Overview

Test Methodology

High Resolution Agarose Electrophoresis

Test Usage

Used to differentiate between normal renal function, glomerular proteinuria and tubular proteinuria. Increased glomerular permeability leads to higher concentrations of large proteins in the glomerular filtrate. Severe glomerular basement membrane damage will result in large amounts of polyclonal gammaglobulins being lost in the urine. Diminished tubular reabsorptive capacity results in a marked increase in urinary excretion of low molecular weight proteins.

Reference Range

Pathologist interpretation of results provided.

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

Specimen Requirements

Collection Onsite

Preservative-free urine, first AM void preferred (24 hour urine or random urine acceptable).

Collection Offsite

Preservative-free urine, first AM void preferred (24 hour urine or random urine acceptable). Refrigerate up to 1 week.

Normal Volume
10 mL urine
Minimum Volume
5 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.