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Human Erythrocyte Genotyping
HEA Genotyping

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

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MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Multiplexed Molecular Assay

Test Usage

Tests for a wide range of genetic variants affecting red blood cell antigen expression and identifies the most relevant 35 red blood cell antigens from 11 blood groups.

Reference Range

Interpretive report provided.

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

Specimen Requirements

Collection Onsite

Samples for testing must be referred to the Histocompatibility Laboratory by the Blood Bank in order for testing to be performed.

Collection Offsite

Collect specimen in lavender top tube. Send intact specimen at room temperature or refrigerated.

Lavender Top Tube
Normal Volume
5 - 10 mL EDTA whole blood
Minimum Volume

Billing Information

CPT Code
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.