Renal Function Tests (RFT), also known as the Renal Panel, are among the most commonly recommended medical tests in Pakistan for evaluating kidney health. Kidneys play a vital role in filtering waste, maintaining fluid balance, regulating electrolytes, and supporting overall metabolic stability. When kidney function becomes impaired-even slightly-your body can experience symptoms such as swelling, fatigue, electrolyte imbalance, and high blood pressure. This is why a timely kidney assessment is extremely important.
At Islamabad Diagnostic Centre (IDC), Renal Function Tests are performed using advanced laboratory equipment that ensures accuracy and reliability. IDC is widely known for its standardized procedures, automated analyzers, and fast reporting system across Pakistan. Whether a patient has diabetes, hypertension, chronic kidney disease, or general health concerns, doctors frequently recommend the RFT test as an essential screening tool.
This article covers everything you need to know about Renal Function Tests at Islamabad Diagnostic Centre-including the price, preparation, test procedure, normal values, interpretation, and booking details. If you are searching for “RFT test near me” or “Renal Function Test price in Pakistan,” this complete guide will help you make an informed decision.
2. What is a Renal Function Test (RFT)?
Renal Function Tests evaluate how well your kidneys are working. The test measures important indicators in the blood that help determine filtration efficiency, waste removal, electrolyte balance, and overall kidney performance.
RFT typically includes:
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Urea
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Creatinine
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Uric Acid
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Sodium (Na)
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Potassium (K)
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Chloride (Cl)
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Calcium (optional in some panels)
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Estimated Glomerular Filtration Rate (eGFR)
Doctors recommend RFT for:
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Monitoring kidney disease
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Checking kidney function in diabetic or hypertensive patients
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Evaluating dehydration
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Tracking medication effects on the kidneys
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Diagnosing electrolyte imbalance
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Pre-surgical evaluation
This test helps identify early kidney damage before symptoms appear, which is why it is an essential part of routine medical screening.
3. Why is the Renal Function Test Important?
The kidneys silently support many bodily functions, and any damage often remains unnoticed until it becomes severe. RFT helps detect issues at an early stage.
The importance of RFT includes:
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Detecting chronic kidney disease (CKD)
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Monitoring kidney damage caused by diabetes
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Evaluating hypertension-related renal complications
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Understanding causes of swelling, nausea, fatigue, and electrolyte imbalance
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Checking kidney filtration rate and waste removal
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Ensuring safe medication use (especially antibiotics, painkillers, and cardiac drugs)
Timely testing can prevent severe conditions like kidney failure, dialysis, or long-term hospitalization. Because kidney diseases progress silently, the RFT is considered a vital test for both early detection and long-term monitoring.
4. When Should You Get an RFT Test?
Doctors recommend RFT when patients experience:
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Swelling in the legs, feet, or face
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Unexplained fatigue or nausea
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High blood pressure
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Persistent urinary symptoms
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Foamy urine
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Diabetes or long-term hypertension
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Heart disease
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History of kidney stones
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Severe dehydration
You should also get an RFT if you are taking medications that can affect kidney health, such as certain painkillers, antibiotics, and hypertension drugs. Many specialists recommend adding the Renal Panel to annual health checkups to catch kidney issues early.
5. How to Prepare for the RFT Test?
Renal Function Tests usually require no fasting, but your doctor may advise specific instructions depending on your health condition.
General Preparation Steps:
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Drink plenty of water before the test
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Avoid protein-heavy meals 12 hours before testing
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Avoid strenuous exercise one day before
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Inform the lab about medications you are taking (e.g., diuretics, ACE inhibitors)
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Stay relaxed and rested
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No smoking or alcohol before the test
Following these steps helps ensure accurate test results.
6. How is the RFT Test Performed at Islamabad Diagnostic Centre?
At Islamabad Diagnostic Centre (IDC), the Renal Function Test is conducted in a highly professional and hygienic environment.
Step-by-Step Process:
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Registration: Visit any IDC branch or book online through All Lab Tests.
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Sample Collection: A blood sample is drawn from a vein in your arm by trained phlebotomists.
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Automated Analysis: The sample is processed on advanced clinical chemistry analyzers for precise measurement of creatinine, urea, electrolytes, and more.
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Quality Standardization: IDC follows strict internal and external quality control systems.
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Report Delivery: RFT results are typically available within a few hours.
IDC ensures patient comfort, accurate methodology, and reliable reporting-making it one of the best labs for Renal Function Tests in Pakistan.
7. RFT Report & Normal Values
Normal Value Table for Renal Function Tests (Adults)
| Test Component | Normal Range |
|---|---|
| Urea | 15 – 40 mg/dL |
| Creatinine (Male) | 0.7 – 1.3 mg/dL |
| Creatinine (Female) | 0.6 – 1.1 mg/dL |
| Uric Acid (Male) | 3.4 – 7.0 mg/dL |
| Uric Acid (Female) | 2.4 – 6.0 mg/dL |
| Sodium | 135 – 145 mmol/L |
| Potassium | 3.5 – 5.0 mmol/L |
| Chloride | 98 – 107 mmol/L |
| eGFR | > 90 mL/min/1.73m² |
Interpretation:
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High creatinine or low eGFR indicates kidney dysfunction.
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Abnormal electrolytes show dehydration or metabolic imbalance.
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Only a qualified doctor can diagnose the underlying cause.
8. Understanding Abnormal RFT Results
Causes of High Creatinine:
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Chronic kidney disease
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Diabetes
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Hypertension
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Kidney infection
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Kidney stones
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Severe dehydration
Causes of High Urea:
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High protein intake
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Kidney dysfunction
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Gastrointestinal bleeding
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Severe dehydration
Electrolyte Imbalance Causes:
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Excess fluid loss
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Certain medications
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Hormonal imbalances
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Kidney failure
If results are abnormal, your doctor may advise repeat testing, an ultrasound, urine tests, or a nephrology consultation.
9. How to Improve Kidney Health Naturally
Useful Tips:
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Drink 8-10 glasses of water daily
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Limit salt consumption
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Reduce protein overload
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Avoid painkillers (unless prescribed)
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Control blood sugar
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Maintain healthy blood pressure
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Eat potassium-rich foods (if allowed by doctor)
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Exercise regularly
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Avoid smoking and alcohol
These habits help maintain long-term kidney health and prevent chronic diseases.
10. Renal Function Test Cost at Islamabad Diagnostic Centre
The Renal Function Test (RFT) price at Islamabad Diagnostic Centre is Rs. 2,900. IDC offers affordable rates along with advanced diagnostic equipment, making it a reliable choice for kidney function testing in Pakistan. You can book your RFT test online and visit the nearest IDC branch for sample collection.
11. Islamabad Diagnostic Centre RFT Price in Pakistan
If you are searching for the RFT test cost in Pakistan, the price may vary depending on the city and diagnostic facility. However, at Islamabad Diagnostic Centre (IDC), the RFT test price is consistently Rs. 2,900.
Through All Lab Tests, you can compare IDC test charges 2025, view updated prices, and book the Renal Panel at the nearest branch.
12. Where to Book RFT Test in Pakistan
Looking for “RFT test near me”? You can easily compare Renal Function Test prices in Pakistan, view IDC test charges, check available discounts, and select the best diagnostic lab through All Lab Tests.
This platform helps you pick reliable labs, compare costs, and schedule appointments without any hassle.
13. Book Your Renal Function Test at Islamabad Diagnostic Centre
Book your Renal Function Test (RFT) today through All Lab Tests and get accurate results from the trusted Islamabad Diagnostic Centre. Enjoy easy online booking, professional sample collection, and fast reporting—all from a reputable diagnostic service in Pakistan.
Your kidney health matters. Test early, stay aware, and take control of your well-being.