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Rabies Titer Blood Test

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This test is typically ordered by people who work with animals and have an occupational risk of exposure to rabies.

  • Sample Type: Blood
  • Results: 21-33 days
  • Age: 18+

Also known as Rapid Fluorescent Focus Inhibition Test (RFFIT), the Rabies Titer Blood Test assesses a person’s immune response to rabies by evaluating antibody levels in the blood, and their capacity to neutralize the rabies virus. RFFIT is considered the benchmark test by both the Advisory Committee on Immunization Practices (ACIP) and the World Health Organization (WHO).

Fasting is not required.

Quest test codes: 5789


+ service fee

Price does not include the Physician Service Fee () and the Lab Collection Fee ($9). These non-refundable fees cover the ordering and oversight of lab tests and follow-up services when appropriate.

Next availability

Provided by Quest Diagnostics


4.7 rating

How does it work?

  • Order Tests Online

    No doctor visit required for purchase. Choose from a wide range of panels and tests. Pay online with a credit or debit card — no insurance needed.
  • Go to the Lab for Sample Collection

    Complete your test sample collection during your scheduled appointment.
  • Get Fast Results Online

    We will email you when your results are ready. Access your Confidential Lab Record by logging in to your account. There you can view, save and print your results.

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Frequently Asked Questions

The Rabies Titer Blood Test works by diluting serum (the soluble component of blood that does not play a role in clotting), mixing it with the live rabies virus and tissue culture, and incubating the solution for a standard amount of time. Immunofluorescent staining of infected cells can then detect the levels of antibodies. 

Your provider may order this test if you have an occupational risk of exposure to rabies (such as working in a veterinary clinic, with wildlife control, or in a rabies virus lab, etc.). This test may also be ordered if you have been in contact with unfamiliar wildlife, or to measure the immune response post-rabies exposure.

A Rabies Titer Blood Test is ordered if you’ve been bitten or scratched by an animal that is suspected of having rabies or if you routinely handle animals that may be at risk for rabies. 

You cannot take a Rabies Titer Blood Test at home — this test can only be administered by a medical professional at a licensed testing facility.

Once you receive the results of your test, you will need to consult with your provider. Only a medical professional can advise you on the healthy ranges of rabies virus neutralizing antibodies in your body and recommend further testing, if necessary. You can get an online consultation with a vetted, highly rated doctor through Tripment Health. 

There are no specific requirements to prepare for a Rabies Titer Blood Test. Your provider will draw a blood sample from a vein in your arm. Since there are only two commercial laboratories approved by the Center for Disease Control to process this test, results can take up to 4 weeks. 

The cost of a human Rabies Titer Blood Test listed on Tripment Health is transparent and final – you will never be asked to pay additional fees at the testing facility, or receive a surprise bill down the road.

Tripment Health has partnered with nearly 7,000 lab test facilities across 48 states. Finding a Rabies Titer Blood Test for humans, current procedural technology (cpt) code 5789, is easier than ever. Add the lab tests you need to your cart, then select a testing facility conveniently close to you.