A patient seated in the chair before a blood draw
In person

Mumps Immunity (IgG)

Your mumps IgG antibody result, from one standard blood draw.

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  • 2,000+ lab locations. Find one near you
  • Nothing due at the lab. FSA / HSA accepted
  • Ordered by a licensed clinician

At a glance

Collection
Blood draw
A standard blood draw at the lab.
Preparation
None
Nothing to do ahead of time. Water is fine.
Results
2 to 4 days
Typical turnaround after your visit.
Where
2,000+ lab locations
Nationwide, with nothing due at the lab.

About this test

Mumps is a viral illness that often causes swelling of the salivary glands near the jaw, along with fever and tiredness. This test measures mumps IgG antibodies, the kind left by vaccination or a past infection. People often check it for school or work, or when vaccine records are lost.

For adults 18 and older. Test availability varies by lab location.

Who should take this test?

For adults who have lost their vaccine records or were asked about mumps immunity by a school, job, or healthcare program. A healthcare provider can advise on vaccination.

Ask about this test

Not sure this is the right test?

AI-generated. For information only, not medical advice. Call 911 for an emergency.

What does this test measure?

Your result shows whether mumps IgG antibodies were found, which can help you and a healthcare provider talk about your immunity and what a school or work program asks for.

Mumps IgG
Mumps IgG is an antibody made after mumps vaccination or infection. A positive result is consistent with immunity or past exposure. A negative or equivocal result is something to discuss with a healthcare provider, who can advise on vaccination.
Why it’s measured: Shows antibodies that are consistent with immunity to mumps from vaccine or infection.

How it works

  1. Step 1

    Order online

    Check out here. A licensed clinician in your state reviews your order and sends it to the lab.

  2. Step 2

    Visit a lab

    Bring a photo ID to any of 2,000+ lab locations. No fasting needed, and nothing is due at the lab.

  3. Step 3

    Get your results

    Results post to your account, usually in 2 to 4 days, each number next to the lab’s reference range.

Find a lab near you

Choose from 2,000+ lab locations nationwide. Your order works at any of them.

What your results tell you

Your mumps IgG result is compared with the lab’s cutoff and reported with an interpretation, such as positive, equivocal, or negative.

  • Your number next to the lab’s reference range
  • Explained in plain language
  • A licensed clinician reviews your order and, if appropriate, orders the test.
  • A lab report you can download and share

If your result is negative or equivocal, talk with a healthcare provider, who can explain it and advise on vaccination.

Clinical-grade testing, from the comfort of home.

From the lab to your report, every step of our process meets the gold standard in medical testing.

  • CLIA-certified labs

    Every lab we partner with is certified under the Clinical Laboratory Improvement Amendments, meeting both state and federal standards with regular independent inspections.

  • We protect your health data

    We protect your health data with encryption and do not sell it. Some results must be reported to public health authorities by law. See our Privacy Notice.

  • Rigorous quality assurance

    All partner labs run regular internal quality checks, participate in proficiency testing, and comply with federal and state lab regulations.

  • Clinician-reviewed reports

    Results are reviewed by an independent, licensed clinician.

Questions

Common questions.

Anything else, our care team answers by phone, text, or email.

A positive result means mumps IgG antibodies were found above the lab’s cutoff. IgG antibodies build up after vaccination or a past infection and reflect that earlier immune response. Check that the result meets your school or employer’s requirements before you send it in.

A negative result means the lab did not find mumps IgG antibodies above its cutoff. An equivocal result is borderline and cannot be read clearly either way. A healthcare provider can explain what your result means for you and advise on vaccination.

This test does not show whether you have mumps right now, and it does not tell whether your antibodies came from vaccination or a past infection. If you have new swelling near your jaw along with a fever, contact a healthcare provider rather than relying on this test.

Lab tests are informational and don’t diagnose conditions on their own. Available to adults 18 and older; test availability varies by lab location. A licensed clinician reviews your order and, if appropriate, orders the test. All testing is performed at CLIA-certified laboratories. Not for emergencies: if you think you may be having a medical emergency, call 911.