MMR Titer Test (Measles, Mumps & Rubella) IgG Immunity Test in Massachusetts

What this test is

The MMR Titer Test is a blood test that measures the presence of IgG antibodies for measles, mumps, and rubella. It helps determine if a person has immunity due to past infection or vaccination.

What it measures

• Measles IgG — reflects immunity to measles
• Mumps IgG — reflects immunity to mumps
• Rubella IgG — reflects immunity to rubella

What the test involves

The test involves a standard blood draw, usually from a vein in the arm. The sample is then analyzed in a laboratory for IgG antibodies.

Why it is often ordered

Clinicians typically order this test to assess immunity status, especially for individuals in certain professions or before travel. It may also be used to verify immunity in those with uncertain vaccination history.

Preparation

Preparation instructions should be followed as provided by the collection lab. Always check with the lab for specific guidelines.

How results are reported

Results indicate the presence or absence of IgG antibodies for each virus. Reference ranges vary by laboratory, so consult with the lab for interpretation.

Before you go

• Turnaround time for results
• Specific preparation instructions
• Sample collection details