What does HSV-1/2 PCR mean?

What does HSV-1/2 PCR mean?

What your Herpes Simplex Virus 1 and 2, DNA PCR test results mean? If the herpes simplex virus DNA- PCR test is a positive result; then, it indicates that there is an active herpes infection: whether it’s type one or type two. If the PCR test gave a negative result; then, no herpes simplex virus was detected.

What is a PCR test for herpes?

A PCR test can be done on cells or fluid from a sore or on blood or on other fluid, such as spinal fluid. PCR finds the genetic material (DNA) of the HSV virus. This test can tell the difference between HSV-1 and HSV-2. Using the PCR test on skin sores isn’t common.

Can a PCR herpes test be wrong?

Variations in quality. In a recent study of 27 coded samples tested by 66 labs, 30 false positive HSV PCR results were reported, as well as 30-50% false negative results for samples containing low titers of 0.2-7 copies/µL. Method used in the Virology Laboratory.

How accurate is PCR testing for herpes?

PCR assays or other NAATs are the most sensitive test currently available to detect HSV in clinical samples. The detection rates of the PCR assays were shown to be 11–71% superior to virus culture [26,41-44].

What does PCR test mean?

PCR means polymerase chain reaction. It’s a test to detect genetic material from a specific organism, such as a virus. The test detects the presence of a virus if you have the virus at the time of the test. The test could also detect fragments of the virus even after you are no longer infected.

How do you catch HSV PCR?

1. 0.5 mL of body fluid (0.3 mL minimum).
2. Place the specimen in a screw-capped, sterile vial.
3. Label the vial with the patient’s full name, date of birth, identification number, date and time of collection, initials of the person collecting the specimen, and the specimen source.
4. Send the specimen refrigerated.

What is a low positive herpes test?

An index value above 1.1 is considered positive, but some experts regard values less than 3.5 as “low positive” and recommend a confirmatory test such as the HSV Western Blot, long considered the gold standard with regards to accuracy and consistency of results.