Days Set Up
Analytic Time

6 - 14 days

MiChart Code
Y Microdeletion
Soft Order Code

Test Updated:


Y Microdeletion

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All specimens should be accompanied by a requisition.

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

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Test Overview

Test Methodology

Direct Mutation Analysis by Polymerase Chain Reaction (PCR)

Test Usage

Evaluating men with azoospermia, severe oligozoospermia, or otherwise unexplained male factor infertility.

Reference Range

Normal (absence of deletions in the regions of the Y chromosome under test).

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

Specimen Requirements

Collection Offsite

Collect specimen in a yellow top (ACD) or lavender top (EDTA) tube. Send intact whole blood at room temperature. Specimen must be received by performing laboratory within 96 hours of collection. Send a completed Mayo Medical Laboratories "Molecular Genetics - Congenital Inherited Diseases Patient Information Sheet" with the specimen.

Normal Volume
3 mL whole blood
Minimum Volume
1 mL whole blood

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.