Test library
PSA Level Test
This blood test measures total prostate-specific antigen (PSA), a protein produced by the prostate. Results support prostate evaluation when ordered by a healthcare provider.
Order Prostate-Specific Antigen (PSA) Total Test
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Prostate-Specific Antigen (PSA) Total Test- Typical turnaround
- 1-3 business days
- Starting price
- From $49
- Results
- Confidential, online
Quick answer
The Total PSA Blood Test measures the amount of prostate-specific antigen in a blood sample. PSA is a protein produced by the prostate gland, and its level can be used as one piece of information during prostate evaluation. It is not specific to cancer, since benign prostate conditions can also raise PSA. The test is ordered by healthcare providers as part of a broader assessment and is interpreted with examination findings, history, and other results.
What this test measures
Prostate-specific antigen is produced by prostate cells and helps liquefy semen. A small amount normally enters the bloodstream, and the measured level reflects the activity and size of the prostate as well as other factors. Total PSA testing provides a quantitative value that a healthcare provider can compare with reference ranges and with previous results from the same person.
The test is performed on a blood sample, and results are reported as a concentration, usually in nanograms per milliliter. Some laboratories include age-specific reference ranges, and free PSA may be added as a reflex or follow-up test when the total value is elevated. Trends over time are often more informative than a single measurement.
People may order this test when a healthcare provider recommends prostate evaluation or monitoring. It can be used for discussions about prostate health and for following a known condition. A qualified healthcare provider should interpret the result and decide whether additional testing, such as the free-to-total ratio or other evaluation, is appropriate.
- Total prostate-specific antigen (PSA)
- Quantitative result reported in nanograms per milliliter
- Age-specific reference ranges when provided
- Free PSA when reflex or follow-up testing is performed
- Serial PSA trends when prior results are available
- Assay method and calibration information as reported
Why people order this test
- Support a healthcare provider's prostate evaluation
- Monitor PSA over time when serial testing is ordered
- Provide baseline information for a discussion about prostate health
- Follow up on a previous PSA result
- Add a quantitative marker to a broader clinical assessment
How to prepare
No fasting is required for this test. A blood sample is drawn at the lab. Because recent prostate examinations, procedures, or other events can affect PSA, share relevant information with your healthcare provider before testing.
Understanding your results
Results are usually available within one to three business days. PSA is interpreted with the person's history and other clinical findings, since several benign conditions can raise the level. A qualified healthcare provider should review the result with you.
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Frequently Asked Questions
What is PSA?
Prostate-specific antigen is a protein produced by the prostate gland. It is measured in blood as one component of prostate evaluation.
Does a high PSA mean I have prostate cancer?
No. PSA can be elevated by benign prostate enlargement, inflammation, recent procedures, and other factors. A healthcare provider interprets the value with additional information.
Who typically orders a PSA test?
Healthcare providers order PSA testing for a variety of reasons, including evaluation of symptoms, monitoring a known condition, or discussion of prostate health. Recommendations vary by individual.
Can PSA levels change over time?
Yes. PSA can fluctuate, which is why trends across repeated measurements are often reviewed rather than a single value alone.
How is the sample collected?
A small blood sample is drawn from a vein during a brief lab visit.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
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