Diagnostic Test Directory

Virology Laboratory

Cytomegalovirus (CMV) PCR (Qualitative) - respiratory specimen

  • LIS Mnemonic: CMVPCR

    Collect

    Bronchoalveolar lavage (BAL)

    Volume Required

    1 ml

    Minimum Required

    0.5 ml

    Transport

    Keep specimen at 4C

    Processing

    Bronchoalveolar lavage specimens, bronchial washings, nasal washings, and tracheal aspirates may be submitted. Collection of COMBINED THROAT AND NASOPHARYNGEAL SWABS is recommended for patients in which aspirates or washings cannot be readily obtained. Immediately transport specimens to the Clinical Virology Laboratory. 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.

    Unacceptable conditions

    Swab specimens not received in viral transport medium or received in bacteriological transport medium are discouraged. DO NOT USE CALCIUM ALGINATE OR WOODEN SHAFT SWABS FOR COLLECTION OF SPECIMENS; ONLY USE DACRON OR RAYON TIPPED SWABS ON PLASTIC OR METAL SHAFTS.

Days Performed

Daily

Reported

Same day

Reflex Testing

N/A

CPT

87496

Methodology

Amplification and detection of CMV DNA polymerase 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 cytomegalovirus DNA detected.

Reference Values

Negative or no cytomegalovirus DNA detected

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