CD45 RA/RO | McLendon Clinical Laboratories

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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.

Tube Type

Test ID		LAB5600
EPIC ORDER		CD45 RA/RO
CPT Code(s)		88184, 88185 x 4
Group/Individual Test		Group
Laboratory		Clinical Flow Cytometry Laboratory
Tube Station		82
Specimen	Routine:	3 mL blood/lavender EDTA tube; See comments
	Pediatric:	1 mL blood/lavender EDTA tube; See comments
Availability	Routine:	Accepted Monday-Saturday. Samples collected after Noon on Saturday will be tested on the following working day; See comments
Turnaround Time		72 hours
Reference Range	Normal:	Included with results.
Comments	Samples must be kept at Room Temperature.

Reviewed by J. Carr on November 24, 2025

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