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Test Code UPEP24 Electrophoresis, Protein, 24 HR, U, LAB5287


Agarose Gel Electrophoresis

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements


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

Specimen Volume: 5 mL from a 24-hour timed urine collection.

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

               Specimens may be stored at 2 to 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 established reference values

Day(s) Test Set Up

Monday through Friday

Test Classification and CPT Coding

81050-Timed urine measurement


Useful For

The electrophoretic separation of serum or urine proteins is a screening procedure that aids in the diagnosis of pathophysiologic states associated with changes in protein quantity and molecular nature.