INSTI – Multiplex HIV-1/2 Syphilis Antibody Test

$39.99/testYou save $4.50 (10% Off)

Collection Method:
Finger Stick Blood Drop
Time to Result:
1 minute
1 test/box
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Use Case
Professional use
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Test Expiration Date
September 15, 2024
Availability: In Stock
(4 customer reviews)
Volume Discount:

Buy 2, Save $5 | Buy 3, Save $10

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  • 3- tests $36.65 test

Availability: In stock (can be backordered)

SKU INSTI-MULTIPLEX Categories , Tags , ,


HIV and syphilis co-infection is a concerning issue that affects us globally. Developed on the proven INSTI platform, the INSTI Multiplex assay screens for both HIV and syphilis infections simultaneously on one device in 60 seconds.

The INSTI Multiplex assay offers a powerful tool for identifying individuals who need HIV and/or syphilis treatment, preventing mother-to-child transmission, and reducing the spread of both infections worldwide.

In the Box

  • Test device
  • Sample diluent
  • Colour developer
  • Clarifying solution
  • Instructions

Additional information

Sample:    Fingerstick blood drop 
Format:    Membrane unit 
Quantity:  1 test/kit 
Specificity:    Detects antibodies for HIV-1 and HIV-2, as well as antibodies for T. pallidum (syphilis) 
Accuracy:  HIV-1/HIV-2: 99.7% 

Syphilis: 99.8% 

Time to result:  1 minute 
Storage Condition:    INSTI components should be stored at 15-30°C (59-86°F) 



How to Use INSTI Multiplex HIV-1 and 2 Syphilis Antibody Test

  1. Fingerstick blood collection. Collect 50 µL of blood.  
  1. Mix and pour. Invert and pour solution into the membrane unit.  
  1. Read results instantly. Always read results with INSTI® logo facing you.  

Instructional Video:

IFU: 51-1377 (A) IFU, INSTI One Multiplex, CA 

Intended Use

The INSTI MULTIPLEX HIV-1/2 Syphilis Ab Test is a single use, rapid, flow-through in vitro qualitative immunoassay for the detection of antibodies to Human Immunodeficiency Virus Type 1/ Type 2 and Treponema pallidum in human fingerstick blood and serum.  

The INSTI Multiplex Test is intended as an aid in the diagnosis of HIV1/2 and Syphilis infections in patients with signs and symptoms of HIV and Syphilis.  

By purchasing this product, you agree to follow the manufacturer’s intended use and the sale conditions of this website. 

4 reviews for INSTI – Multiplex HIV-1/2 Syphilis Antibody Test

  1. Mariah Johnson

    The INSTI HIV and Syphilis Antibody Test from Rapid Test & Trace was a lifesaver. I could test in the privacy of my home without any hassle.

  2. Sarah Stone

    The INSTI HIV and Syphilis test was very easy to use and provided results in just 60 seconds, which was a huge convenience. The accuracy of the test is also outstanding, with a sensitivity of 99.7% for HIV-1/HIV-2 and 99.8% for syphilis. This gave me peace of mind knowing that I can rely on the results. Overall, I highly recommend this test for its reliability and quick results.

  3. Steven Massey

    I had so many questions about using the test, but Rapid Test & Trace’s customer service was top-notch. They made the process of using the INSTI HIV and Syphilis Self Test a breeze!

  4. Jessica Shaffer

    I had a great experience using the INSTI Multiplex HIV-1/2 Syphilis Antibody Test. The test was very straightforward, with clear instructions provided. The fact that it only required a small amount of blood was a huge convenience. The results were accurate and reliable, giving me confidence in the test’s effectiveness. I highly recommend this test for its simplicity and accuracy.

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INSTI – Multiplex HIV-1/2 Syphilis Antibody TestINSTI – Multiplex HIV-1/2 Syphilis Antibody Test
$39.99/testYou save $4.50 (10% Off)

Availability: In stock (can be backordered)

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Canada-Wide Shipping
Order handling takes place Monday through Friday, during standard business hours. Same-day handling is available for orders placed before 1 pm EST. Orders are not processed on weekends or Canadian holidays. Extra time may be required for larger orders.

Shipping Timeline: Please allow 2 business days to deliver your package.

Unfortunately, we do not ship to PO Boxes.