MMR Immunity (Measles, Mumps, Rubella)
Tests for immunity to measles, mumps, and rubella through IgG antibody detection from previous vaccination or natural infection.
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What this test measures
This test is used to aid in the determination of serological status to measles, mumps, and rubella viruses through IgG antibody detection. The test measures antibodies produced by the immune system in response to prior or current cases of measles, mumps, and rubella or vaccination.
An MMR antibody screening is a single blood test that is used to help diagnose measles, mumps, and rubella or to see if individuals are immune to them. A positive result generally indicates exposure to virus or previous vaccination, and is considered adequate laboratory evidence of immunity. A positive result on an IgG antibody test means individuals are immune to these diseases because they had a vaccination or past infection.
What's included
Who should consider this test
You might consider this test if you are experiencing any of the following:
- College students may need this test to prove to their college or university that they are immune to measles, mumps, and rubella.
- Healthcare workers should consider testing because they may come in contact with children and adults who have measles, mumps, or rubella, and if they don't have immunity, they can get vaccinated.
- Individuals planning to become pregnant should consider this test, as developing rubella during the first three months of pregnancy could cause birth defects.
- Those who are unsure if they've ever had a measles, mumps, or rubella infection or the MMR vaccine should consider testing, as immunity may have declined over time.
- Individuals living in communities where a measles, mumps, or rubella outbreak is occurring should consider testing to ensure they are protected.
What to expect
Preparation
No special preparation is required for this test. No fasting is needed, and individuals can eat and drink normally before and after the test.
Sample Type
The test is done with a blood sample using a needle to draw blood from a vein in the arm or hand.
Collection
At the lab location, a trained phlebotomist will draw a small amount of blood from a vein in the arm. The process typically takes just a few minutes.
Turnaround
Results are typically available within 1-3 business days after the sample is collected and processed by the laboratory.
Understanding your results
A positive result on an IgG antibody test means individuals are immune to measles, mumps, or rubella because they had a vaccination or past infection. Results will indicate whether protective antibodies are present for each of the three diseases tested.
| Population | Reference Range | Notes |
|---|---|---|
| Adults | Positive/Negative | Results are typically reported as positive (immune) or negative (non-immune) for each component |
Reference ranges may vary by laboratory and individual factors. Results should be interpreted by a healthcare provider in the context of your overall health.
What does a “Low” result mean?
People without presumptive evidence of immunity who have negative or equivocal results for measles, mumps, or rubella IgG should be vaccinated or revaccinated. A negative result means individuals do not have immunity to these diseases and should receive the MMR vaccine to ensure protection. Persons with an equivocal serologic test result do not have adequate presumptive evidence of immunity and should be considered susceptible.
What does a “High” result mean?
A positive result is considered adequate laboratory evidence of immunity. Positive results for measles, mumps, or rubella IgG antibodies typically indicate protective immunity from previous vaccination or natural infection. People who receive the recommended doses of the MMR vaccine are usually considered protected for life against measles and rubella.
Privacy & confidentiality
All MMR immunity test results are completely confidential and protected under HIPAA regulations. Results are not shared with insurance companies, added to medical records, or sent to personal physicians unless specifically requested. No insurance billing occurs for this direct-pay testing service.
Frequently asked questions
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This test may not be available in: NY, NJ, RI
This page is for informational purposes only and does not constitute medical advice. Always consult with a healthcare provider regarding any health concerns. LevelPanel does not diagnose, treat, or prescribe.
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Not sure if this is the right test? Contact our care team for guidance.