How do you read herpes IgG results?

The results of your HSV blood test will generally be reported as positive, negative, or equivocal. A positive result means that IgG was detected, while a negative result means that IgG was not detected. An equivocal test means that the results were unclear.

What is a positive herpes score?

A positive test result means that herpes IgM was detected in the sample. A negative result means that no IgM was detected. An equivocal test result means that the test was unable to determine whether or not there was an antibody present.

What does it mean if HSV 1 IgG is high?

A positive result means that the patient has an HSV infection. The patient may be experiencing an initial outbreak or a recurrent outbreak from a past infection.

What is normal HSV IgG range?

0.89 IV or less: Negative – No significant level of detectable HSV IgG antibody. 0.90-1.09 IV: Equivocal – Questionable presence of IgG antibodies. Repeat testing in 10-14 days may be helpful. 1.10 IV or greater: Positive – IgG antibody to HSV detected which may indicate a current or past HSV infection.

Do herpes IgG antibodies go away?

IgG appears soon after infection and stays in the blood for life. IgM is actually the first antibody that appears after infection, but it may disappear thereafter.

How accurate is IgG herpes test?

The IgG test is about 94% accurate in detecting the infection. About 19% of the time, its results are false positive (that is, the test is positive for herpes infection when the person does not have herpes). By contrast, the herpes IgM antibodies tests give almost 50% false-negative results.

What does a positive IgG test mean?

The presence of IgG suggests that the infection happened weeks to months in the past. It also suggests that you may no longer be infectious. IgG indicates that you may have some immunity to the virus, though you may not.

What is a high HSV-1 index value?

Fuchs, personal communication), in our sexually transmitted disease clinic, results are categorized by index value: scores of 1.1–3.5 are considered to be low positive and scores >3.5 are considered to be high positive.

What is considered a low positive for HSV-2?

If HSV-2 IgG type specific antibodies patient results fall between 0.91 (equivocal) and 5.00 (low positive) index values, the specimen will reflex to HSV-2 supplemental test per CDC guidelines.

What does a positive herpes IgG blood test mean?

Results for a herpes IgG test will usually be back within a week. In general, the results will be reported as positive, negative, or equivocal. A positive test means that IgG was detected. An equivocal test means that the results were unclear.

What does a number mean on a herpes test?

Upon receiving herpes test results using IgG, you are likely to get a number value. HSV-1 Test Results Interpretation Using IgG. An HSV-1 test result value that is 0.9 or less indicates a negative result, this means that there is no significant level of detectable IgG antibodies.

What’s the range for the HSV 1 test?

Upon receiving herpes test results using IgG, you are likely to get a number value. The HSV 1 test results range may be An HSV-1 test result value that is 0.9 or less indicates a negative result, this means that there is no significant level of detectable IgG antibodies.

Is it possible to get a false positive for herpes?

It is possible to have a false positive or false negative result. That’s true for either ​an HSV IgG or HSV IgM test. Therefore, don’t panic if your herpes blood test results do not agree with your known risk factors and sexual history.