Prostate Health Index (PHI) Test – Advanced Prostate Cancer Screening
Understanding the Prostate Health Index Test
The Prostate Health Index (PHI) Test represents a significant advancement in prostate cancer screening technology. This sophisticated blood test combines three specific biomarkers to provide a more accurate assessment of prostate cancer risk than traditional PSA testing alone. Developed through extensive clinical research, the PHI test helps men and their healthcare providers make more informed decisions about the need for prostate biopsies and subsequent treatment options.
Prostate cancer remains one of the most common cancers affecting men in the United States, with early detection being crucial for successful treatment outcomes. The PHI test addresses the limitations of conventional PSA screening by offering enhanced specificity, reducing false positives, and providing clearer guidance for clinical decision-making.
What the PHI Test Measures
The Prostate Health Index test evaluates three key biomarkers to calculate a comprehensive risk score:
- Total PSA (Prostate-Specific Antigen): Measures the overall level of PSA in the blood
- Free PSA: Assesses the unbound form of PSA in circulation
- [-2]proPSA (p2PSA): A specific precursor form of PSA that shows increased expression in prostate cancer tissue
These three measurements are combined using a sophisticated mathematical formula to generate the PHI score, which provides a more accurate assessment of prostate cancer risk than any single biomarker alone.
How the PHI Score is Calculated
The PHI score is derived using the following formula: ([-2]proPSA / Free PSA) × √PSA. This calculation produces a numerical value that correlates with the likelihood of detecting prostate cancer upon biopsy. Higher PHI scores indicate increased probability of prostate cancer, particularly aggressive forms that require immediate medical attention.
Who Should Consider the PHI Test
The Prostate Health Index test is particularly valuable for specific patient populations:
- Men with PSA levels between 4-10 ng/mL: This “gray zone” often presents diagnostic challenges that the PHI test helps clarify
- Patients with persistently elevated PSA: When traditional PSA levels remain elevated over time
- Men considering prostate biopsy: The PHI test can help determine if a biopsy is necessary
- Patients with family history of prostate cancer: Those with increased genetic risk factors
- African American men: Who have higher incidence rates of prostate cancer
- Men over 50: The standard screening age for prostate cancer
Symptoms That May Warrant Testing
While prostate cancer may be asymptomatic in early stages, certain symptoms should prompt consideration of PHI testing:
- Frequent urination, especially at night
- Difficulty starting or stopping urination
- Weak or interrupted urine flow
- Pain or burning during urination
- Blood in urine or semen
- Pain in the back, hips, or pelvis that doesn’t go away
Benefits of the Prostate Health Index Test
The PHI test offers numerous advantages over traditional prostate cancer screening methods:
- Enhanced Accuracy: 3x better specificity than PSA alone in detecting prostate cancer
- Reduced Unnecessary Biopsies: Helps avoid approximately 30% of unnecessary prostate biopsies
- Early Detection: Identifies aggressive prostate cancers at earlier, more treatable stages
- Personalized Risk Assessment: Provides individualized cancer probability scores
- FDA-Cleared Technology: Backed by extensive clinical validation and regulatory approval
- Non-Invasive Procedure: Simple blood draw with minimal patient discomfort
- Rapid Results: Same-day reporting when samples are submitted by cutoff times
Understanding Your PHI Test Results
Interpreting PHI test results requires professional medical guidance, but general understanding can help patients prepare for discussions with their healthcare providers:
PHI Score Ranges and Interpretation
- PHI Score Below 25: Low probability of prostate cancer; continued monitoring may be recommended
- PHI Score 25-35: Moderate risk; may warrant closer monitoring or additional testing
- PHI Score 35-55: Elevated risk; increased likelihood of prostate cancer detection
- PHI Score Above 55: High probability of prostate cancer; typically indicates need for biopsy consideration
It’s important to note that PHI scores should always be interpreted in the context of your complete medical history, physical examination findings, and other diagnostic tests. Your healthcare provider will consider multiple factors when determining the appropriate next steps.
Test Information and Pricing
| Test Component | Details |
|---|---|
| Test Name | Prostate Health Index (PHI) Test |
| Regular Price | $200 USD |
| Discount Price | $112 USD |
| Turnaround Time | Same day (samples submitted Mon/Thu by 4 pm) |
| Sample Type | 2 mL serum from 1 SST tube |
| Sample Handling | Ship refrigerated or frozen |
| Test Components | PSA Total, PSA Free, P2PSA |
| Testing Method | CMIA, CLIA Certified |
| Specialty | Oncology |
Important Pre-Test Instructions
For accurate results, please follow these essential guidelines:
- Avoid Digital Rectal Examination (DRE): Do not provide sample within 7 days of DRE
- Avoid Prostatic Ultrasonography: Wait 7 days after rectal prostatic ultrasound
- Sample Collection: Minimum 1 mL serum required from SST tube
- Transport Conditions: Maintain refrigerated or frozen during shipment
Convenient Testing Locations Across the USA
GGC DNA provides comprehensive Prostate Health Index testing services at our conveniently located facilities throughout the United States. We have established branches in all major metropolitan areas including:
- New York City and surrounding tri-state area
- Los Angeles and Southern California region
- Chicago and Illinois metropolitan area
- Houston and Texas Gulf Coast
- Phoenix and Arizona valley
- Philadelphia and Delaware Valley
- All other major US cities and regions
Our state-of-the-art laboratories utilize advanced CMIA and CLIA-certified methodologies to ensure the highest standards of accuracy and reliability in prostate cancer screening.
Take Control of Your Prostate Health Today
Early detection through advanced screening like the Prostate Health Index test can significantly impact prostate cancer outcomes. Don’t wait until symptoms become concerning – proactive screening provides the best opportunity for early intervention and successful treatment.
Ready to schedule your Prostate Health Index test? Contact our dedicated patient care team today to book your appointment or learn more about this advanced screening option.
Call or WhatsApp: +1(267) 388-9828
Our knowledgeable staff is available to answer your questions, explain the testing process, and help you schedule your appointment at a convenient location near you. Take the first step toward comprehensive prostate health management with the advanced PHI test from GGC DNA.

