Webster - FL
Walk-In Prostate-Specific Antigen (PSA), Free-to-Total Ratio in Webster
This blood test measures both free PSA and total PSA and calculates their ratio, the free-to-total PSA ratio. Prostate-Specific Antigen (PSA), Free-to-Total Ratio testing in Webster, FL: order online, visit a patient service center near you, and review your results in a secure account.
- Typical price
- From $178
- Results
- 1-3 business days
- Preparation
- See preparation notes below
Order this test online
- Buy online in a few minutes - no doctor's visit needed for most tests.
- Sample collection at a patient service center near you.
- Results are typically ready within 1-3 business days.
- Secure, lab-reviewed results delivered to your account.
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About the Prostate-Specific Antigen (PSA), Free-to-Total Ratio
This blood test measures both free PSA and total PSA and calculates their ratio, the free-to-total PSA ratio. PSA circulates in the blood partly bound to proteins and partly unbound, and the proportion that is free can add information when a total PSA result is borderline. A lower free-to-total ratio is more often associated with prostate cancer, while a higher ratio is more common in benign prostate enlargement. The test is ordered to help clarify an elevated or ambiguous total PSA result and to support decisions about whether further prostate evaluation is appropriate. Results are interpreted by a healthcare provider with age and other findings.
What this test measures
- Free PSA The unbound portion of prostate-specific antigen circulating in the blood.
- Total PSA All prostate-specific antigen, both bound and unbound.
- Free-to-Total PSA Ratio The proportion of PSA that is free, calculated from the two measurements.
Who this test may be right for
- Men with a borderline or elevated total PSA result
- Individuals being evaluated for possible prostate disease
- Men whose healthcare provider wants additional PSA detail
- Those with an abnormal prostate examination
Before your visit
- Inform the laboratory of recent prostate procedures, since these can affect PSA
- Avoid strenuous cycling or ejaculation shortly before the draw unless told otherwise
- Report medications for prostate conditions to your provider
Understanding your results
The free-to-total ratio is interpreted together with the absolute total PSA value. A lower ratio can raise concern for prostate cancer, while a higher ratio is more often seen with benign prostate enlargement, but neither is conclusive. The ratio is most useful when total PSA is in a borderline range. A healthcare provider should interpret the result with your age, examination findings, and whether additional evaluation is recommended.
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View testQuestions people ask
Where can I get a Prostate-Specific Antigen (PSA), Free-to-Total Ratio near Webster?
Patient service centers near Webster collect samples for this test. Choose a location when you order and visit at a time that works for you.
How much does a Prostate-Specific Antigen (PSA), Free-to-Total Ratio cost in Webster?
Typical pricing is From $178, and the exact price is confirmed at checkout.
Do I need to prepare for this test?
Follow the lab's instructions.
How long do results take?
Most results are released in 1-3 business days.
What does the free-to-total PSA ratio add?
It shows the proportion of PSA that is unbound, which can help clarify a borderline total PSA result and inform whether further prostate evaluation is warranted.
Is a low free-to-total ratio a diagnosis of prostate cancer?
No. A lower ratio raises concern but is not diagnostic, and a healthcare provider uses it with other findings before recommending next steps.
LabBookings is an independent directory. We compare test details and pricing information, but we are not a laboratory and we do not perform testing or provide medical advice. Always talk to a licensed healthcare provider about your results and treatment.
Laboratory services are provided by independent, CLIA-certified testing partners. Availability, pricing, and turnaround times can vary by location and are confirmed at checkout.