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