Protein, Total and Protein Electrophoresis
Immunofixation, Serum
Kappa/Lambda Light Chains Free with Ratio, Serum
Protein Electrophoresis, 24-Hour Urine (UPEP): Total Protein, Protein Electrophoresis, Creatinine
Immunofixation (IFE), Urine
CPT code 81050 may be added at an additional charge for volume measurement
See individual tests
Immunofixation,Free Kappa Light Chains,Free Lambda Light Chains,Protein Electrophoresis
Specimen requirements | |
|---|---|
| Patient preparation | Overnight fasting is preferred |
| Preferred specimen(s) | 5 mL serum and 60 mL aliquot from a 24-hour urine with no preservative |
| Minimum volume | 2.5 mL serum • 30 mL urine |
| Transport container | Transport tube and Plastic urine container |
| Transport temperature | Room temperature |
| Specimen stability | Serum Room temperature: 72 hours Refrigerated: 7 days Frozen: 28 days Urine Room temperature: 4 days Refrigerated: 5 days Frozen: 30 days |
| Reject criteria | Gross hemolysis • Grossly lipemic • Grossly icteric • Plasma |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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