Days Set Up
Analytic Time

7 - 14 days

Test Updated:


A-1 Antitrypsin Genotype
A1AT Genotype
A-1AT Genotype
Anti Trypsin Genotype
Reflex Alpha-1 Antitrypsin Phenotype
Pi Typing
Protease Inhibitor Allo Typing
Alpha 1 Antitrypsin Deficiency Profile
A1AT Deficiency Profile
A1AT Phenotype, Serum

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All specimens should be accompanied by a requisition.

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Test Overview

Test Methodology

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Test Usage

Determining the specific proteotype for prognosis and genetic counseling for patients with alpha-1-antitrypsin deficiency.

Reference Range

Negative for S and Z phenotype (Non S Non Z).

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Red top or SST tube
Normal Volume
1.25 mL serum
Minimum Volume
0.5 mL serum

Billing Information

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Pro Fee Code
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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.