1 ml CSF
0.5 ml CSF
Keep specimen at 4C
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. Depending on the specimen type, some processing of specimen material may be necessary before specimens can be frozen and shipped. Please consult the laboratory if necessary.
Amplification and detection of HSV DNA polymerase gene using TaqMan real-time PCR technology. This test is performed pursuant to an agreement with Roche Molecular Systems, Inc.
If positive, results are reported as herpes simplex virus DNA detected.
Negative or no herpes simplex virus DNA detected
Clinical Utility: PCR of CSF specimens is now considered the 'gold standard' for the detection of HSV in patients with HSV encephalitis or other HSV-related central nervous system diseases such as recurrent meningitis. PCR can also be used to accurately diagnose HSV infections of the skin and mucous membranes and for the diagnosis of HSV neonatal disease. For diagnosis of neonatal HSV infection, collect specimens from skin vesicles, conjunctiva, mouth or nasopharynx, urine, blood, stool or rectum, and CSF. Detection of HSV from any of these sites more than 48 hours after birth may indicate active viral replication and infection of the infant rather than colonization after intrapartum exposure.
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