Kidney Function Test (KFT/RFT) in Delhi
Category
Kidney
Specimen
Blood
Organ System
Kidney & Urinary Tract
Available At
0 labs
About Kidney Function Test (KFT/RFT) in Delhi
The Kidney Function Test, also called a Renal Function Test (RFT), is a panel of blood measurements — typically including creatinine, blood urea, uric acid, and electrolytes — that together assess how efficiently your kidneys are filtering waste products from your blood.
Your kidneys perform the essential job of removing metabolic waste, balancing fluids and electrolytes, and regulating blood pressure, so even a modest decline in kidney function can have wide-reaching effects throughout the body.
Because kidney disease often develops silently over years without obvious symptoms, this panel is a key screening tool for people with risk factors like diabetes, high blood pressure, or a family history of kidney disease.
The results are also frequently combined with a calculated eGFR value, which converts your creatinine level into an estimate of your kidney's actual filtering capacity.
When Should You Get Kidney Function Test (KFT/RFT) in Delhi
This test is recommended if you have:
- Swelling in the legs, ankles, or around the eyes
- High blood pressure or diabetes, both major risk factors for kidney disease
- Reduced, foamy, or unusually colored urine output
- Persistent fatigue or nausea without another clear cause
- A family history of kidney disease
- Before starting medications that can affect kidney function
Conditions Kidney Function Test (KFT/RFT) Can Detect in Delhi
KFT results are used to monitor or detect:
- Chronic kidney disease at various stages
- Acute kidney injury, often from dehydration, infection, or medication
- Diabetic nephropathy, kidney damage caused by long-term diabetes
- Dehydration
- Electrolyte imbalances linked to kidney dysfunction
How to Prepare for Kidney Function Test (KFT/RFT) in Delhi
- Fasting for 8–10 hours may be requested, particularly if the test is combined with a glucose or lipid panel.
- Stay adequately hydrated the day before your test unless your doctor advises otherwise, since dehydration can temporarily affect creatinine and urea levels.
- Avoid strenuous exercise for 24 hours before testing, as intense activity can transiently raise creatinine.
- Inform your doctor of all current medications, since several common drugs can influence kidney test results.
Kidney Function Test (KFT/RFT) Normal Reference Ranges in Delhi
| Parameter | Normal Range |
|---|---|
| Serum Creatinine | 0.6–1.3 mg/dL |
| Blood Urea | 7–20 mg/dL |
| Uric Acid | 3.5–7.2 mg/dL |
| eGFR | ≥ 90 mL/min/1.73m² |
A rising creatinine or falling eGFR over successive tests is generally more clinically significant than a single borderline reading, since it reflects a genuine trend in kidney function rather than day-to-day variation.
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Frequently Asked Questions About Kidney Function Test (KFT/RFT) in Delhi
Is fasting mandatory for a kidney function test?
It's often recommended, particularly when combined with fasting glucose or lipid tests, but confirm the specific requirement with your doctor or the lab beforehand.
What does a high creatinine level mean?
Elevated creatinine usually indicates reduced kidney filtering capacity, though it can also rise temporarily from dehydration, a high-protein meal, or intense exercise, so your doctor will consider the full clinical picture.
Can kidney function improve after being reduced?
It depends on the underlying cause — acute kidney injury from dehydration or a short-term illness often recovers fully, while chronic kidney disease is usually managed to slow progression rather than reversed.
How often should I get my kidney function checked if I have diabetes?
Most guidelines recommend annual kidney function testing for people with diabetes, or more frequently if you already show signs of reduced function.
Medical Disclaimer: This page is for informational purposes only and does not constitute medical advice. Lab test results should always be interpreted by a qualified healthcare professional in the context of your clinical history. Do not self-diagnose or alter your treatment based on test results alone.
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