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Test Code IFE Immunofixation Electrophoresis, LAB174

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements


Preferred: Gold-top serum gel tube or plain, red-top tube

Specimen Volume: 0.1 mL of serum, allow specimens to completely clot before centrifugation.  Separate serum from cells.

Stability: After centrifuging, immediately refrigerate (2 to 8 °C) for 7 days or freeze for up to 1 month.



Reference Values

No abnormal proteins present

Useful For

Immunofixation electrophoresis is a useful clinical tool for rapid identification of various protein abnormalities in serum and urine including monoclonal gammopathies.

Day(s) Test Set Up

Monday through Friday


Agarose Gel Electrophoresis

Test Classification and CPT Coding