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Test Code PEPH Protein Electrophoresis, Serum, LAB119


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

Stability: Refrigerate samples (2 to 8 °C) for 7 days or keep frozen for up to 1 month.

Collection Instructions: Hemolyzed specimens are not acceptable.



Reference Values

Albumin: 60-72%

Alpha-1-globulin: 1.6-3.3%

Alpha-2-globulin: 6.9-11.8%

Beta-globulin: 8.1-11.1%

Gamma-globulin: 7.3-17.2%

Day(s) Test Set Up

Monday through Friday

Test Classification and CPT Coding


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.