Mumps Immunity Test

Medically Reviewed By: Dr Jana Lim – MBChB, MMed (FM)
Last updated: Sep 24, 2026

The mumps immunity blood test checks whether you are protected against the mumps virus, either from a past infection or vaccination. The test looks for mumps antibodies in a sample of your blood.

The test is often recommended for people with unclear vaccination records, for healthcare workers, and for anyone more likely to be exposed to mumps at work or in the community.

A mumps immunity blood test works by measuring specific mumps antibodies in your blood, usually immunoglobulin G (IgG), to determine whether you have developed immunity.

IgG antibodies indicate past infection or successful vaccination and are associated with long-term immunity. A positive IgG result generally suggests that you are considered immune and can help guide decisions about whether vaccination is needed.

You may need a mumps antibody test if you are unsure about your immunity status or if you belong to a higher-risk group.

The test is commonly advised if you are:

• Unsure or lacking documentation of past MMR vaccination.
• Enrolling in universities or institutions that require proof of immunity.
• Working in healthcare, childcare, or other high-contact environments.
• Travelling to regions with known or recent mumps outbreaks.
• Living with or recently exposed to someone diagnosed with mumps.
• Pregnant and without documented immunity.

If you are unsure whether the test is appropriate for you, consult a doctor for personalised advice.

Mumps IgG test results are interpreted by assessing the level of antibodies in your blood, with outcomes generally categorised as positive, negative, or equivocal.

• Positive IgG – Indicates immunity to mumps, typically due to past infection or successful vaccination.
• Negative IgG – Suggests a lack of detectable immunity; your doctor may recommend vaccination based on your risk profile.
• Equivocal Result – Means the result is inconclusive, and a repeat test may be required to confirm your immunity status.

Your doctor will interpret your result alongside your medical history, vaccination records, and current health circumstances.

At ATA Medical, we offer mumps IgG immunity testing along with a range of related tests and vaccinations. Prices are as follows:

A mumps immunity blood test typically takes around 30 to 60 minutes at our clinic, including consultation and sample collection during off-peak periods.

Results are generally available within 3 to 5 working days, depending on the laboratory’s processing time. Your doctor will contact you to explain the results and recommend any next steps if needed.

No special preparation is required for a mumps antibody test. You may eat and drink as usual before your appointment, and fasting is not necessary.

If you are feeling unwell or taking medications that may affect your immune response, inform your doctor in advance. They may advise whether it is appropriate to proceed with the test or postpone it until a more suitable time.

• Tanjong Pagar Clinic
• Orchard Clinic
• Jurong Clinic
• Novena Clinic