Immunofixation Electrophoresis, Serum

Tube Type

Test ID LAB174
EPIC ORDER IMMUNOFIXATION ELECTROPHORESIS
CPT Code(s) 86334
Group/Individual Test Individual
Laboratory Special Chemistry Laboratory
Tube Station 30
Specimen Routine: 5 mL whole blood/Navy blue plain/Gold SST tube also acceptable; See Comments
Micro: 2.5 mL blood/Gold SST microtainer or red plain microtainer
Stability Room Temperature:

4 hrs
  2-8°C:

7 days
  Frozen:

-18 to -30°C, 1 month
  Ambient:

Not acceptable
  Off Site Collections:

Centrifuge sample; aliquot serum (min vol 500µl) & refrigerate within 4 hours of collection.
Availability Routine: Monday-Friday, not weekends/holidays
  STAT: N/A
Turnaround Time 3 Days
Reference Range Normal: Interpretation provided on report; call (984)974-2361 for questions regarding interpretation.
Comments
  • Methodology: Capillary Electrophoresis or Gel Electrophoresis
  • Immunofixation Electrophoresis is used for confirmation/identification of abnormal serum proteins.
  • Multiple test requests with the same sample type will require additional volumes for testing.
  • Pediatric microtainer devices available from Phlebotomy Services

Reviewed by J.Carr on November 19, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514