What's this test for?

This test is ideal if you're already diagnosed with syphilis and need to track how well treatment is working. It's also useful if you're following up after past treatment to confirm the infection is resolving. Your care team may recommend repeat testing at 6 to 12 months to watch how your levels change over time.

What happens after I get my results?

Your results will show up in your account along with an explanation of what a reactive or non-reactive result means, and if reactive, a titer value. If your titer is going down compared to a past test, that usually signals treatment is working; if it's rising or staying high, retesting on the same schedule is recommended. You can download a standard lab report anytime from your account, and the trends feature lets you compare titer values across multiple tests to see your progress. If a result seems concerning or you have new symptoms, seek medical care promptly.

What symptoms indicate I may need this test?

You likely don't need new symptoms to get this test if you're already being monitored after a syphilis diagnosis — it's a routine follow-up test, not a screening for new symptoms. That said, if you notice a new rash, sores, swollen lymph nodes, or flu-like symptoms after treatment, it's worth retesting sooner. This test tracks disease activity rather than diagnosing new infections from scratch.

When will I get my results?

Results are typically ready within about 7 days of your blood draw. If your sample comes back reactive, the lab automatically runs a reflex titer, which is included in that same turnaround window, so you don't need to order a separate test. You'll get a notification once everything is ready to view in your account.

Who should consider this test?

This test is meant for people who have already been diagnosed with syphilis and are in the monitoring phase of care, not for first-time screening. It's especially relevant if you finished treatment recently and need to confirm your titer is dropping as expected. People with a history of primary or secondary syphilis are typically advised to retest at 6 to 12 month intervals.

What is RPR titer and why does it matter?

RPR stands for Rapid Plasma Reagin, and it's a blood test that detects markers your body produces in response to syphilis infection. If the initial test is reactive, the lab measures a titer, which is basically a number showing how strong that response is. Watching whether the titer goes up or down over time helps show whether an infection is getting better or getting worse.

What does a rising titer mean?

A titer that goes up compared to your last test, usually described as a fourfold increase, can mean the infection is still active or that reinfection has happened. This isn't something to guess about on your own — it's a signal to get retested using the same lab and test type for an accurate comparison. Keeping consistent testing conditions like this makes it much easier to trust the trend line.

What does a falling titer mean?

A titer that drops, especially by fourfold or more, is generally a good sign that treatment is working and the infection is responding as expected. Many people see titers decline steadily over months following treatment, eventually becoming non-reactive. Sticking to the recommended 6 to 12 month retesting schedule helps you and confirm this pattern clearly.

What causes a false positive on this test?

Because this test looks for a general immune response rather than syphilis-specific antibodies, other conditions can sometimes trigger a reactive result. Things like autoimmune disease, certain infections, cancer, pregnancy, or even just older age have all been linked to false positives. If your result doesn't match your symptoms or history, further testing can help clarify the picture.

How often should I retest?

For primary and secondary syphilis, retesting every 6 to 12 months is the standard approach for monitoring treatment response. It's important to use the same type of test and, ideally, the same lab each time so your titer values can be compared accurately. Sticking to a consistent schedule makes trends in your results much more meaningful.

Getting your blood test with us is easy, private & backed by the power of science.Long story short: In the test options, use the filters or search box to narrow your choices and find the test you want. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy! If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

How do I know which test to get?

In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option. Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.

When will my lab results be available?

Most test results will be available within 1–3 business days. Once they're ready, we'll send an email and text message to let you know. After your blood draw, just hang tight and don't worry – we'll keep you updated and in the loop! If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com, and we'll gladly help you.

Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?

Absolutely! We totally understand that errors can happen. No worries, we're here to help you. Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you. There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out. Our lab requires an address to be listed to generate an order.

Do you accept health insurance?

Only HSA & FSA is accepted. Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts. This policy applies to all insurance companies, including federal health insurance programs like Medicare. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

Can I cancel my order?

Yes. We get it – sometimes your needs change. As long as your samples haven’t been collected yet, we’re happy to help you cancel your order. If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com. You can read more about our cancellation policy here.

How can I find a lab location near me?

During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp). Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

RPR Titer Test - Syphilis Treatment Monitoring

Getting your blood test with us is easy, private & backed by the power of science.

Long story short:

In the test options, use the filters or search box to narrow your choices and find the test you want.
If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!

754-799-7833

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