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.

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

48 hours

Soft Order Code
BJQ
MiChart Code
Bence Jones Protein, Quantitation, 24 HR Urine
Synonyms
  • BJ QUANT RESULT
  • BJQ
  • Light Chain Quantitation
  • Urine Light Chain Quantitation
  • BJ QUANT
  • BENCEJONES
  • BJ QUANT CALCULATED RESULT
  • Immunofixation (IFIX), Urine (if negative)
Laboratory
Chemical Pathology
Section
Immunopathology
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
Additional Information

Test includes pathologist interpretation of results billed as a separate additional charge. This test is not available without interpretation. If present, quantitation and identification of albumin, intact monoclonal protein and Bence Jones protein are reported in g/24 hours. If Bence Jones protein is not present, the report will read 0.0 g/24 hours with a footnote: "Negative for Bence Jones protein". The laboratory will perform a Bence Jones protein screen (urine immunofixation) to aid in the identification and quantitation process.

Billing
CPT Code
84166
Fee Code
21992
Pro Fee CPT
84166-26
Pro Fee Code
84166.1
Resources