Understanding Your Kidney Health: The Fractional Excretion of Sodium Test
When you’re concerned about kidney function or experiencing unexplained symptoms, it’s natural to feel anxious. Our Fractional Excretion of Sodium Test provides the clarity you need to understand what’s happening with your kidneys. This specialised assessment measures how effectively your kidneys are processing sodium – a crucial indicator of kidney health that helps distinguish between different types of kidney conditions.
What This Test Reveals About Your Health
The Fractional Excretion of Sodium (FENa) test evaluates your kidneys’ ability to filter and reabsorb sodium. By comparing sodium levels in your blood and urine, this test provides valuable information about:
- Kidney filtration efficiency
- Early detection of acute kidney injury
- Differentiation between pre-renal and intrinsic renal causes
- Monitoring of existing kidney conditions
Who Should Consider This Important Test?
If you’re experiencing any of these symptoms or situations, this test could provide essential answers:
- Unexplained swelling in legs, ankles, or around eyes
- Changes in urination patterns or frequency
- Fatigue and general weakness without clear cause
- High blood pressure that’s difficult to control
- Family history of kidney disease
- Monitoring existing kidney conditions
- Recent hospitalisation or serious illness
Why This Matters for Your Health Journey
Early detection of kidney issues can make a significant difference in treatment outcomes and quality of life. This test provides:
- Peace of mind through accurate assessment
- Clear direction for your healthcare provider
- Early intervention opportunities when treatment is most effective
- Monitoring capability for existing conditions
- Personalised insights into your specific kidney function
Understanding Your Results with Confidence
We know waiting for test results can be stressful. Our team provides clear, understandable explanations of your FENa results, including:
- What your specific numbers mean for your health
- Guidance on next steps if needed
- Reassurance about normal ranges
- Connection to appropriate specialists if required
Transparent Pricing – No Hidden Costs
| Test | Regular Price | Special Price | Turnaround |
|---|---|---|---|
| Fractional Excretion of Sodium | ZAR 300 | Daily |
Considering the potential cost of undiagnosed kidney issues, this test represents excellent value for your health investment.
Trust Oracle Genomics for Your Kidney Health
We understand that trust is earned through consistent, reliable service. That’s why we:
- Use advanced Jaffe’s reaction and Indirect ISE methods for maximum accuracy
- Employ experienced nephrology specialists
- Provide nationwide coverage including Johannesburg, Cape Town, Durban, and Pretoria
- Offer daily testing with reliable turnaround times
- Maintain strict quality control standards
Take Action for Your Kidney Health Today
Don’t let uncertainty about your kidney health create unnecessary stress. Our Fractional Excretion of Sodium Test provides the answers you need with:
- Convenient booking – Schedule online or call our dedicated team
- Multiple locations – Available nationwide including major cities
- No preparation needed – Simple blood and urine collection
- Expert interpretation – Clear results with professional guidance
- Affordable pricing – Quality care at ZAR 300
Book your Fractional Excretion of Sodium Test today and take the first step toward understanding and protecting your kidney health. Early detection could save you from more serious complications down the line.

