Blood test
Prostate Specific Antigen (psa)
1 parameter
Measures unbound PSA fraction to add context when total PSA is borderline or raised.
Download Free Psa Test Visual Guide infographic (PNG)
| Result context | Guide |
|---|---|
| Free PSA | lab specific |
| Ratio | context based |
| Low ratio | needs medical review |
Free PSA is interpreted together with total PSA, age and clinical findings.
Free Psa is a laboratory test that measures a result in a Blood (Serum) sample. It may be ordered to investigate symptoms, support a diagnosis or monitor a condition, depending on your clinician's advice.
The current booking price is shown at Rs. 1086 against an MRP of Rs. 1430, inclusive of taxes where applicable.
No fasting is required for this test alone. If another test in the same order requires fasting, follow its preparation instructions. Home sample collection is available in serviceable cities. A trained phlebotomist collects the sample using sterile equipment, and the report is shared online after processing.
Reference ranges vary by laboratory and method. Use the range printed on your final report. The information below is educational only.
| Measure | Typical guide | Note |
|---|---|---|
| Result format | Free-to-total PSA percentage | Used with total PSA in selected cases. |
| Lower free PSA percent | May need closer prostate review | Interpretation depends on total PSA and age. |
| Higher free PSA percent | Can fit benign prostate enlargement context | Not a standalone rule-out. |
| Reason | Description |
|---|---|
| Prostate risk refinement | Helps interpret borderline total PSA. |
| Biopsy decision support | May support discussion before further prostate testing. |
| Monitoring | Used with total PSA and symptoms. |
| Situation | Description |
|---|---|
| Urinary symptoms | Frequency, urgency, weak stream, night urination. |
| Risk context | Borderline PSA, enlarged prostate, prostatitis or prostate cancer risk. |
| Follow-up users | Men advised to clarify a total PSA result. |
| Topic | Guidance |
|---|---|
| Fasting | No fasting is required for this test alone. If another test in the same order requires fasting, follow its preparation instructions. |
| Pairing | Best interpreted with total PSA. |
| Interpretation | Free PSA alone does not diagnose cancer. |
Home sample collection for Free Psa is available in the cities below, subject to confirmation of your pincode at booking.
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Your sample is collected by a trained phlebotomist and sent to the partner laboratory for analysis. The laboratory processes the sample using its validated procedures and quality controls. Your final report shows the result, unit and reference range used for that test. Discuss an unexpected or abnormal result with your clinician.