$42.00
Priced per marker, with baseline labs included. You’ll see your total before you pay.
Infectious disease
Candida antibody (IgG) test
Detects past or chronic exposure to Candida yeast.
At a glance
In about 5 days
Most results are ready in about 5 days. Some specialty markers can take up to 21 days.
Check before your draw
This marker has no preparation tag, but it can still need preparation. Contact us before your draw if you’re not sure.
Walk in at Quest
Your lab order arrives by email. Most Quest locations take walk-ins, so bring it with a photo ID.
What it measures
Candida is a yeast that normally lives on your skin and in your gut and vagina. This test looks for antibodies, proteins your immune system makes, that show your body has reacted to it.
Why it matters for women
Vaginal yeast infections are very common, and some women get them again and again. Many healthy people carry these antibodies, so this blood test can’t show whether a current infection is from yeast; a swab is the usual way to check. Frequent yeast infections can sometimes be linked to high blood sugar.
You might check it if…
- a doctor asked for it along with other tests
- you get yeast infections often and a doctor wants more context
What your result may mean
High Candida antibody (IgG): what it may mean
High Candida albicans IgG may mean your immune system has reacted to this yeast, now or in the past. Candida can live on healthy skin and in the gut and vagina, so many healthy people can carry these antibodies. That is why this result can't tell you whether a current infection comes from yeast, and a swab may be a better check. Vaginal yeast infections can cause itching, burning or thick discharge. If they keep coming back, a clinician may look at your blood sugar and, rarely, at how your immune system is working (immune deficiency).
Low Candida antibody (IgG): what it may mean
Low or negative Candida albicans IgG may mean your immune system has made little antibody against this yeast. It can't rule out a yeast infection on its own, because a vaginal or skin infection may not raise antibodies in the blood. People with weakened immune systems may also make fewer antibodies, which can make the result hard to read. If you notice itching, burning or unusual discharge, a clinician may use a swab to check for yeast directly, whatever this result says.
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These notes provide context and do not diagnose a condition. Not yet available in NY, NJ, RI, HI, ND, SD or WV.