Sign in →

Test Code IFE Immunofixation Electrophoresis, LAB174


Agarose Gel Electrophoresis

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

Day(s) Test Set Up

Monday through Friday

Test Classification and CPT Coding


Useful For

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