Titer

Titer lab tests are an excellent way to keep track of your immune system's health.

The titer test is a simple and inexpensive approach to keep track of your immune system. It's the most accurate way to measure antibodies in your body, and that may help you live a healthier life. Titer testing can help evaluate if you need extra immunizations by measuring your immune system's reaction to vaccines.

Do you have concerns about your immunity to certain diseases?

If that's the case, you should get tested for the antibodies that are linked to these diseases. You'll be able to tell whether or not you're protected from them this way. You won't have to guess any longer since antibody ... See more

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The Diphtheria and Tetanus Antitoxoids Test measures protective antibody levels to confirm immunity from prior vaccination or exposure. Adequate antibody levels indicate effective protection, while low levels may signal the need for a booster. Doctors use this test to verify immune status for healthcare workers, students, or travelers, and to ensure long-term protection against diphtheria and tetanus infections that can cause serious complications.


 The Diphtheria Titer Test is a blood test used to measure the level of antibodies against the diphtheria toxin in an individual's blood. Diphtheria is a serious bacterial infection caused by Corynebacterium diphtheriae, which produces a toxin that can cause severe respiratory issues, heart problems, and nerve damage. The titer test helps determine whether an individual has sufficient immunity to diphtheria, either from past vaccination or from previous infection.
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The Hepatitis A & B Titer Test Panel is a comprehensive diagnostic tool designed to evaluate an individual's immunity status or infection presence for Hepatitis A and Hepatitis B viruses. This panel combines serological assays that measure specific antibodies and antigens associated with Hepatitis A and B, providing crucial insights for clinical diagnosis, vaccination verification, and the assessment of immune response post-vaccination or post-exposure.
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The Hepatitis A Antibody Total Test is a qualitative test that detects antibodies to hepatitis A virus (HAV) and reports results as Reactive or Non-Reactive. It does not distinguish between IgM and IgG antibodies. A reactive result may indicate past infection or immunity from vaccination, while a non-reactive result suggests no prior exposure. Doctors use this test to assess immune status, guide vaccination decisions, and evaluate risk of hepatitis A infection.

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Also Known As: Hep A Ab Total Test, HAV Ab Total Test, Hep A Test

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The Hepatitis A IgM Antibody Test is a qualitative blood test that detects IgM antibodies to the hepatitis A virus (HAV) and reports results as Reactive or Non-Reactive. A reactive result usually indicates a recent or current hepatitis A infection, while a non-reactive result means no active infection. Doctors use this test to confirm acute hepatitis A in patients with symptoms like jaundice, nausea, fatigue, or abdominal pain and to guide timely treatment and prevention.

: Serum
Also Known As: Hep A IgM test, HAV IgM Ab Test

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The Hepatitis B Core Antibody Total Test is a qualitative blood test that detects antibodies to the hepatitis B core antigen (anti-HBc) and reports results as Reactive or Non-Reactive. A reactive result may indicate past or ongoing infection, while a non-reactive result suggests no exposure. This test does not distinguish between IgM and IgG antibodies. Doctors use it to evaluate hepatitis B exposure, confirm infection history, and assess overall immune response.

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Also Known As: HBcAb Total Test, HBc Total Test, Hep B Core Ab Total Test

The Hepatitis B Immunity Panel Test evaluates immune status by measuring Hepatitis B surface antibody levels in the blood. A positive result typically indicates immunity from vaccination or past infection, while a negative result suggests susceptibility. This test is important for verifying protection, monitoring vaccine response, or determining if additional vaccination or further evaluation for Hepatitis B exposure is needed.


The Hepatitis B Surface Antibody Quantitative Test measures the exact level of anti-HBs antibodies in blood to determine past exposure and whether protective immunity has developed from infection or vaccination. A higher antibody level generally indicates adequate immune response, while a low level suggests limited or no protection. Doctors use this test to confirm vaccine effectiveness, assess immune status, and support hepatitis B screening or preventive care.

: Serum
Also Known As: HBsAb Qn Test, Hepatitis B Titer Test

The Hepatitis B Surface Antigen (HBsAg) Test with Reflex to Confirmation screens for hepatitis B surface antigen in blood and, if reactive, automatically performs confirmatory testing. A reactive confirmed result indicates an active hepatitis B infection, while a non-reactive result shows no infection. Doctors use this test to diagnose acute or chronic hepatitis B, investigate abnormal liver tests, and guide treatment, monitoring, and infection control decisions.

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Also Known As: HBsAg Test, Hep B Surface Ag Test, HBs Antigen Test, Hep B Test

 The Hepatitis B Titer Test Panel is a diagnostic panel that comprises three essential tests designed to assess immunity, infection status, and antibody levels for the Hepatitis B virus (HBV). The panel includes the following tests: Hepatitis B Core Antibody Total, Hepatitis B Surface Antibody Quantitative, and Hepatitis B Surface Antigen with Reflex Confirmation.
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Also Known As: Rubeola Test, Measles Virus Test, Measles Titer test, Measles Infection Test

The Measles IgG Antibody Test measures IgG antibodies to determine immunity from past infection or vaccination. A positive result indicates protective immunity, while a negative result suggests susceptibility to measles. Doctors use this blood test to confirm immune status, evaluate vaccination records, or meet school, travel, or employment requirements. It provides valuable insight into measles protection and public health safety.

: Serum
Also Known As: Rubeola Test, Measles Virus Test, Measles Titer Test

: Serum
Also Known As: Rubeola Test, Measles Virus Test, Measles Infection Test

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The MMR Titer Test is a quantitative blood test that measures antibody levels to measles, mumps, and rubella. Results provide exact antibody values to confirm prior infection or response to vaccination. Low levels suggest lack of protection, while higher levels indicate adequate response. Doctors order this test for school, employment, or travel requirements and to guide revaccination decisions, ensuring accurate evaluation of immune status against these viral diseases.

Also Known As: MMR Immunity Test, Measles Mumps Rubella Titer, Measles Mumps Rubella IgG Antibodies

The Rubella IgG IgM Antibodies Test measures antibodies to the rubella virus, helping evaluate immunity or recent infection. IgM indicates an active or recent infection, while IgG confirms past infection or vaccination. Doctors use this test to assess immune status in women of childbearing age, screen during pregnancy, or confirm suspected rubella exposure, as infection can cause serious complications for unborn babies.

Also Known As: Rubella Titer, Rubella Antibodies Test, German Measles Test

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Also Known As: German Measles test, 3 Day Measles Test, Three Day Measles Test, Rubella Infection Test

The Tetanus and Diphtheria Titer Test measures antibody levels to determine immunity from prior vaccination or exposure. Adequate titers indicate protective immunity, while low levels may suggest the need for a booster. Doctors order this test for healthcare workers, students, travelers, or those with uncertain vaccination history. It provides essential information for maintaining protection against these serious bacterial infections.


The Tetanus Antitoxoid Test evaluates antibody levels to tetanus toxin, offering information about immune defense and vaccination status. Adequate levels indicate protection, while low results may suggest reduced immunity. This test aids in assessing immune response, monitoring vaccine effectiveness, and identifying systemic conditions that influence antibody production and immune balance.

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Also Known As: Tetanus Antitoxoid Test

The Varicella Titer Test is a blood test that measures antibodies to the varicella-zoster virus (VZV), which causes chickenpox and shingles. A positive result indicates past infection, while a negative suggests no exposure. This test is not considered reliable for confirming immunity from vaccination. Doctors use it to evaluate history of natural infection, meet school or work requirements, and provide documentation of varicella exposure status.

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Also Known As: Varicella Zoster Virus IgG Antibody Test, Chicken Pox Titer Test, Shingles Titer Test

The Varicella Zoster Virus IgG IgM Antibodies Panel is used to assess exposure to the varicella-zoster virus, which causes both chickenpox and shingles. By evaluating the presence and levels of specific antibodies, this panel aids in diagnosing current infections, determining immunity, and guiding vaccination decisions.
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Panel Contains Test: Varicella Zoster Virus Antibodies Test

The Varicella IgM Antibody Test measures IgM antibodies produced in response to varicella-zoster virus, helping identify current or recent chickenpox infection. It aids in differentiating acute illness from prior exposure or immunity. This test supports evaluation of symptoms such as rash, fever, or fatigue, and provides valuable information about immune activity and viral health risks.

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Also Known As: Varicella Zoster Virus IgM Antibody Test, Chick Pox IgM Antibody Test

The Varicella Immunity Screen is a reliable blood test that measures antibodies to the varicella-zoster virus (VZV) to confirm protection from chickenpox and shingles. Unlike the Varicella Titer Test, this screen accurately detects immunity from both natural infection and vaccination. Doctors order it to meet school, healthcare, or travel requirements, verify vaccine response, and provide dependable documentation of immune status against varicella.

: Serum
Also Known As: Varicella Titer Screen, Varicella Zoster Virus Antibody Screen

Vaccinations aren't as readily available as you may think. Many areas throughout the United States don't have the healthcare access needed to administer vaccinations to nearby areas. This leaves large chunks of the population at risk for developing preventable conditions.

Vaccinations are crucial, especially during a time when we're all on the go every single day. We need adequate protection from everyday ailments.

Even if you had all of your shots when you were younger, you might no longer have an immune response. This is why everyone needs immunity detection and titer testing.

This serological testing can help your healthcare provider determine what your immunization status is for different conditions. In response, you and your healthcare provider can make a plan for your healthcare moving forward.

To learn more about antibody testing and antibody titer options, keep reading.

What Is Immunity Detection and Titer Testing?

Overall, immunity ... See more