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Protein Electrophoresis

Alternative Name:

Electrophoresis, Protein Electrophoresis Serum, SPEP

Clinical Utility:

Serum proteins are separated into albumin, alpha, beta, and gamma globulins. Gamma globulins are assessed for a monoclonal spike (M protein) seen in plasma cell dyscrasias.


2 mL SST Tube

Collection Instructions:

Fill tube, invert gently 5 times, label with patient name, let stand for minimum of 30 minutes, maximum of 1 hr, spin for 10-15 minutes

Storage Instruction:


Turnaround Time:

3 days

CPT Code:

84155 (1), 84165 (1)