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Test Code UIFE24 Immunofixation, 24 HR, U LAB5498

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements


Preferred:  24-hour timed urine collection. No preservative.

Specimen Volume: 5ml urine from a 24 hour urine collection.

Stability: Refrigerate specimen during collection, and send specimen refrigerated.

               Specimens may be stored at 2-8°C for up to 7 days and frozen for up to 1 month.

Collection Instructions: Must obtain 24 hour urine jug from lab to start collection.

Note: Starting and ending times of collection are required for processing.

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

81050-Timed urine measurement