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CYTOMEGALOVIRUS (CMV) QUANTITATIVE PCR (EDTA BLOOD)

Synonym(s):
Lab Section Category
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Specimen Required

​5 mL of blood in EDTA (lavender top) tube. Alternatively, at least 3 mL plasma (separated from EDTA-treated or whole blood within 6 hours of collection by centrifugation at 800-1600g for 20 minutes at room temperature) in a sterile screw-capped polypropylene tube.

Please note that sample types other than blood in EDTA or plasma have not been validated on this commercial system. Quantitation of CMV load in other sample types e.g. cerebrospinal fluid, aqueous/vitreous fluid, will be performed on our in-house quantitative assay. See CMV Quantitative PCR (Non-Blood).

Indications

​For detection and quantification of CMV DNA in patient’s plasma, as an adjunct for the diagnosis or prediction of CMV disease, i.e. from reactivation of latent disease in immunocompromised patients or in primary infection, or for monitoring treatment progress in CMV disease.

Storage/Transport

​Refrigerate sample at 2-8°C until transfer to laboratory. Do not freeze.  Plasma may be transported at 2-8°C or frozen at ≤-20°C. Sample should reach the laboratory as soon as possible preferably within 6 hours after collection.

Method

Real-time Quantitative Polymerase Chain Reaction (qPCR) (Roche COBAS 6800 CMV test)

Test Results

​Detected (quantity reported in IU/mL), Undetectable or Inconclusive.

Limits of quantitation: 34.5 - 10,000,000 IU/mL (1.54 - 7.00 log)

Turnaround Time

​4 days

Day(s) Test Set up

​Monday to Friday (except public holidays)

Change History Notes

  • 28 Oct 2021 03:00 PM

    ​Method: Method has been last updated on 28/10/21.

  • 28 Oct 2021 03:00 PM

    Test Results: Reporting of Test Results has been last updated on 28/10/21.

  • 05 Feb 2021 03:00 PM

    Storage and Transportation has been last updated on 05/02/21.

  • 29 Apr 2015 02:55 PM

    Day(s) Test Set-Up: Day(s) Test Set-Up has been last updated on 29/04/15.

  • 22 Jul 2014 04:40 PM

    New Test: Upgrading the existing in-house CMV quantitative test for all blood samples w.e.f. 24 July 2014.

Back: Pathology Laboratory Services

Last Updated - 13 Jun 2025