Intrinsic Factor Ab

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Tube Type

Test ID		LAB857
EPIC ORDER		INTRINSIC FACTOR BLOCKING ANTIBODY
CPT Code(s)		86340
Group/Individual Test		Group
Laboratory		Core Referral Testing
Tube Station		30
Specimen	Routine:	4mL blood/gold SST tube; See Comments
	Micro:	1.5 mL blood
Availability	Routine:	Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time		3-5 days
Reference Range	Normal:	See separate report

Comments	Patient should not have had Vitamin B12 injection within 2 weeks of collection.

Reviewed by J. Carr on December 18, 2025

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