Test Overview
Test Methodology

Real-Time Polymerase Chain Reaction (PCR)

Test Usage

Aiding in the rapid diagnosis of cytomegalovirus (CMV) infections in neonates 21 days of age or younger using saliva specimens

Reference Range *


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

Test Limitations

• This test is not validated for sample types other than saliva swab and urine specimens from infants 21 days of age or younger.
• Negative results do not preclude cytomegalovirus (CMV) infection and should not be used as the sole basis for treatment or other patient management decisions
• The performance of this test has not been established for monitoring treatment of CMV infection.

Test Details
Days Set Up
Monday - Sunday
Analytic Time

2-3 days

Soft Order Code
Reference Laboratory
Special Testing
Specimen Requirements
Collection Instructions

Collect and send specimen per swab manufacturer instructions. Send to Specimen Processing frozen

False-negative results may occur if the viral nucleic acid is present at a level below the analytical sensitivity of the assay, if the virus has genomic mutations, insertions, deletions, or rearrangements, or if the assay is performed very early in the course of illness.
Normal Volume
1 swab in viral transport media
Minimum Volume
1 swab in viral transport media
Storage Temperature
Additional Information

Test performed by Mayo Clinic Laboratories

CPT Code