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Quest Diagnostics Quest Diagnostics

Syphilis Test With Confirmation

Type

Blood Testing

Biomarkers

3

Duration

30 min

Results

3 days

Detect syphilis antibodies to enable treatment; includes treatment options if results are abnormal.

This test screens for syphilis, a sexually transmitted infection (STI). Syphilis can cause sores, rashes, and lesions, but may not show symptoms immediately. The test detects antibodies your immune system produces to fight the bacteria (Treponema pallidum) that causes syphilis. Early detection through testing is crucial for effective treatment and preventing long-term health complications. If positive, a confirmation test is performed at no extra cost.

Key Details

Infections Screened
4–10 (varies by panel)
Fasting Required
No
Sample Type
Blood draw (urine for some infections)
Turnaround
1–5 business days
Confidential
Yes, results are private

Who Is This For?

Anyone who is sexually active and hasn't been tested recently. People starting a new relationship who want to know their status. Individuals who have had unprotected sex or multiple partners. Anyone experiencing symptoms like unusual discharge, sores, or painful urination. Routine screening as recommended by health guidelines (annually for sexually active adults).

What's Included

HIV 1/2 antibody/antigen (4th gen)
Syphilis (RPR/VDRL or specific antibody)
Hepatitis B surface antigen (HBsAg)
Hepatitis C antibody

Preparation Required

No fasting required. For the most accurate HIV results, test at least 2–4 weeks after potential exposure (window period varies by test type). Urine-based tests for chlamydia/gonorrhea require not urinating for at least 1 hour before sample collection.

Biomarkers Tested

3
pH pH units

Imbalances in gut pH influence short-chain fatty acid production and their effects.

HIV (Current) reactive/non-reactive

Detects HIV-1 and HIV-2 antibodies and/or p24 antigen. Fourth-generation tests can detect infection as early as 2–4 weeks after exposure. Early detection enables treatment that can achieve viral suppression and prevent transmission.

Hepatitis C (anti-HCV) reactive/non-reactive

Detects antibodies to hepatitis C virus, indicating current or past infection. A positive result requires confirmatory RNA testing. Hepatitis C is now curable with direct-acting antiviral medications in most patients.

Compare Blood Testing in Mexico →
Price
$46.80 $52.00

20% off during 12 Days of Quest; additional $6.00 Physician Service Fee

Category
Diagnostic
Sample Type
Blood draw
Duration
30 min
Results
3 days