Days Set Up
Monday - Friday
Analytic Time

3 days

MiChart Code
CMV AVR, Plasma
Soft Order Code

Test Updated:


Cytomegalovirus Genotype
CMV AVR, Plasma
Ganciclovir UL97 Resistance
CMV Antiviral Resistance
Ganciclovir UL54 Resistance
Foscarnet UL54 Resistance
Cidofovir UL54 Resistance

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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.

Order Kits and Supplies

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

Test FAQ

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Test Overview

Test Methodology

Polymerase Chain Reaction (PCR) followed by gene sequencing.

Test Usage

Mutations in specific codons of the CMV UL97 gene are associated with resistance to ganciclovir while mutations in specific codons of the CMV UL54 gene are associated with resistance to ganciclovir, foscarnet and/or cidofovir. Mutations can consist of changes in codons encoding the amino acids as well as deletions of nucleotides.

Reference Range

Interpretive report provided.

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

Specimen Requirements

Collection Offsite

Collect specimen in a lavender top tube. Centrifuge, aliquot plasma into a plastic vial or send intact whole blood specimen. Store and transport specimens at room temperature.

Lavender Top Tube
Normal Volume
5 mL EDTA plasma
Minimum Volume
4 mL EDTA plasma

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.