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Effective Jan. 5, 2026: Temporary Age-Based Visitor Restrictions at UNC Health for all inpatient and waiting areas throughout its inpatient hospitals.

Published on September 29, 2025

EpiSign Testing

Tube Type

Test ID		LAB5910G
EPIC ORDER		EPISIGN TESTING
CPT Code(s)		0318U (EpiSign Complete), 81479 (EpiSign Variant)
Group/Individual Test		Group
Laboratory		Core Referral Testing
Tube Station		30
Specimen	Routine:	4.0 mL blood/lavender EDTA tube.
	Micro:	1.5 mL blood
Availability	Routine:	Reference Laboratory-Greenwood Diagnostic Labs
	STAT:	N/A
Turnaround Time		4 weeks
Reference Range	Normal:	See separate report
Comments	Testing options include EpiSign Complete (comprehensive methylation testing) and EpiSign Variant (targeted methylation testing). Contact laboratory genetic counseling at LABSC@unchealth.unc.edu or 984-974-7283 with questions.

Reviewed by J. Carr on December 08, 2025

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