Rhode Island Titer Testing

Some Rhode Island employers require antibody testing, also known as titer testing, as part of their pre-employment screening process. Existing employees may also be tested periodically as part of the process to ensure safety in the workplace, especially for industries such as healthcare or education. Titer testing is the first step to determining if someone is immune to certain diseases, such as varicella (Chickenpox), hepatitis A, hepatitis B, hepatitis C, measles, mumps, rubella, or COVID-19. If the antibody test indicates that an individual is not immune, Health Street can also provide services for vaccines and immunizations.

To register online for a titer test in Rhode Island, simply click the “Register Now” button below. To schedule via phone or to contact us with questions regarding your antibody testing services, please reach us at (888) 378-2499.

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Frequently Asked Questions

Does Rhode Island require you to titer test?

There are no Rhode Island titer test regulations that require residents to undergo routine titer testing. However, note that there are multiple immunization requirements for the healthcare industry employees where titer testing can be used.

How often do you have to get tested in Rhode Island?

While there are no Rhode Island antibody test regulations that mandate testing, employees at risk of bloodborne pathogen exposure should consider annual titer tests to understand their levels of ongoing immunity against various infections.

What is an antibody titer score?

To produce an antibody titer score, a person’s serum is diluted and then retested for antibodies. If antibodies can still be detected, then the serum is diluted and then tested again. This process is repeated until the person’s serum has been diluted as much as possible, but the presence of antibodies can still be detected.

What do titer tests test for?

A titer test is a blood test that is used to detect the presence of antibodies in the blood. The purpose of a titer test is to determine if a person has immunity against certain diseases. These results can be used to provide employers with proof of immunity, or to determine if a person needs to receive a certain vaccine.

What does a positive titer test mean?

If titer test results show that a person is positive, this may indicate that the individual has previously been infected with the disease or vaccinated against it. The individual may be presumed to have immunity against that specific disease, and vaccination may not be required at this time.

Rhode Island Antibody Testing Regulation

Under current state law, routine Rhode Island titer testing is not mandated for general residents; however, it’s important to understand there are significant benefits that accompany titer testing. In fact, a positive Rhode Island titer test indicates that a person possesses enough antibodies within their system to be declared “immune'” against certain infections, such as chickenpox or hepatitis B.

While there are no strict mandates that require individuals to undergo Rhode Island antibody testing, the same can’t be said regarding immunization requirements among certain employee types. For those in the healthcare industry, the state of Rhode Island can require certain immunizations to maintain employment. In certain cases, Rhode Island titer testing can be used to demonstrate immunity to avoid unnecessary vaccinations.

No matter what your situation is, it’s important to consult with your workplace policy regarding immunization and Rhode Island titer testing regulations. Likewise, be sure to stay up to date with ongoing changes to COVID-19 regulations in relation to vaccinations and Rhode Island antibody testing, to determine if titer testing can be used in lieu of immunization records.

Rhode Island Antibody Industry Regulations

Under current state law, certain Rhode Island employees face various immunization requirements to maintain employment. Compared to many states across the country, the state of Rhode Island enforces an extensive list of immunization requirements for those part of the healthcare industry.

For example, the Rhode Island Department of Health mandates that all healthcare workers must demonstrate immunity against measles, mumps, rubella, and varicella (chickenpox) as part of the pre-employment process. Acceptable forms of immunity proof can either be documentation of previous vaccination or laboratory confirmation using a positive Rhode Island antibody test.

Outside of infectious pathogens where Rhode Island titer testing can be used to demonstrate immunity, there are additional immunization requirements that require skin testing for specific vaccinations. For instance, all Rhode Island healthcare employees must be tested for tuberculosis via skin test as part of the pre-employment screening process.

Relevant Rhode Island Laws, Acts, and Legislation

  • 216-RICR-20-15-7 Immunization, Testing, and Health Screening for Health Care Workers: A collection of laws supplied by the Rhode Island Department of Health which outlines various immunization requirements for healthcare workers, including the requirement for employees to demonstrate immunity against measles, mumps, rubella, and chickenpox using vaccination records or Rhode Island titer test results as part of the pre-employment process. Furthermore, these regulations outline the requirement of healthcare facilities to offer the hepatitis B vaccination series to new workers within 10 days of employment or following an exposure event.


“Immunization Information for Healthcare Workers” State of Rhode Island Department of Health, https://health.ri.gov/immunization/for/healthcareworkers/
“Immunization, Testing, and Health Screening for Health Care Workers” Rhode Island Department of State, https://rules.sos.ri.gov/regulations/part/216-20-15-7