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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 February 15, 2024

T-Cell Large Granular Lymphocytic Leukemia (STAT3 & STAT5B)

Tube Type

Test ID		LAB7791
EPIC ORDER		*T-CELL LARGE GRANULAR LYMPHOCYTIC LEUKEMIA (STAT3 & STAT5B)*
CPT Code(s)		81450, 81479, G0452
Laboratory		Molecular Genetics Laboratory
Specimen	Routine:	Minimum: 3.0 mL lavender EDTA tube for whole blood;
		Minimum: 1.0 mL lavender EDTA tube for Bone Marrow
Availability	Routine:	Performed weekly
Turnaround Time		14 Days
Comments	UNC T-cell Large Granular Lymphocytic Leukemia Molecular test request form Directions for collecting and mailing of specimens

Reviewed by J. Carr on November 20, 2025

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