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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.

alpha-1-Antitrypsin, DNA Analysis

Tube type = Yellow Top

x3

Tube Type

Test ID		LAB19872
EPIC Order		A1AT DNA ANALYSIS
CPT Codes		81332, G0452
Group/Individual Test		Individual
Laboratory		Molecular Genetics Laboratory
Tube Station		30
Specimen	Routine:	3 mL blood/Yellow ACD-A tube or Lavender EDTA tube; See Comments
	Micro:	1.5 mL blood/3x Lavender EDTA microtainer OR: 1x pediatric Acid Citrate Dextrose tube/yellow Top
Availability	Routine:	Weekly, no weekends or holidays
Turnaround Time		14 Days
Reference Range	Normal:	No evidence of alpha-1-antitrypsin Z and S mutations

Comments	To be used in conjunction with serum protein testing for alpha-1-antitrypsin in the Immunochemistry Lab. Additional information: Molecular Test for Alpha1-Antitrypsin Z and S mutations Molecular Genetics Test Request form Directions for collecting and mailing specimens for Molecular Genetics Testing

Reviewed by JLCARR on April 28, 2025

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