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

48 hours

MiChart Code
Bence Jones Protein, Quantitation, 24 HR Urine
Soft Order Code
BJQ

Test Updated:

Synonyms

BJ QUANT RESULT
BJQ
Light Chain Quantitation
Urine Light Chain Quantitation
BJ QUANT
BENCEJONES
BJ QUANT CALCULATED RESULT
Immunofixation (IFIX), Urine (if negative)

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All specimens should be accompanied by a requisition.

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Test FAQ

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Test Overview

Test Methodology

Colorimetric Urine Protein, High Resolution Agarose Electrophoresis

Test Usage

To follow therapy in light chain monoclonal gammopathies.

Reference Range

Negative for Bence Jones protein and negative for intact monoclonal protein. Pathologist interpretation of results provided.

* 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 10 mL into a plastic urine container or BD yellow top urine tube and refrigerate up to 1 week. Record total 24 hour urine volume and collection dates/times on request form.

Normal Volume
10 mL aliquot of 24 hour urine collection in BD yellow top urine tube
Minimum Volume
5 mL aliquot of 24 hour urine collection in BD yellow top urine tube

Billing Information

CPT Code
84166
Pro Fee Code
84166.1
Insurance Auth Info
 
LOINC
 

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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.