Diagnostic Test Directory

Virology Laboratory

Varicella Zoster Virus (VZV) PCR - amniotic fluid specimen

  • LIS Mnemonic: VZVPCR

    Collect

    amniotic fluid

    Volume Required

    1 ml

    Minimum Required

    0.5 ml

    Transport

    Keep specimen at 4C

    Processing

    Amniotic fluid sampling should be done after 21-23 weeks gestation for best sensitivity. If an extended delay in transport of specimens is anticipated, rapidly freeze the specimens to at least -60°C and transport to the laboratory on dry ice. Please consult the laboratory if necessary.

Days Performed

Daily

Reported

Same day

Reflex Testing

N/A

CPT

87798

Methodology

Amplification and detection of VZV DNA glycoprotein B ORF 62 gene using TaqMan real-time PCR technology. This test is performed pursuant to an agreement with Roche Molecular Systems, Inc.

Interpretation

If positive, results are reported as varicella-zoster virus DNA detected.

Reference Values

Negative or no varicella-zoster virus DNA detected

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