Description
Number of Tests Included:
A standard RFT includes:
Blood Urea
Serum Creatinine
Uric Acid
Sodium (Na⁺)
Potassium (K⁺)
Chloride (Cl⁻)
Calcium (sometimes included)
Phosphorus (optional)
BUN/Creatinine Ratio (calculated)
eGFR (estimated glomerular filtration rate)
What is an RFT Test?
A group of biochemical tests that analyze kidney filtration, waste removal capacity, and electrolyte balance to assess how efficiently the kidneys are functioning.
Purpose of the Test:
Diagnose acute or chronic kidney disease
Monitor kidney function in diabetics and hypertensive patients
Detect dehydration or fluid imbalance
Assess effects of medicines that impact kidneys
Evaluate swelling, fatigue, or decreased urine output
Monitor kidney health in hospitalized patients
Who Should Get This Test?
Individuals with diabetes or high BP
People with kidney-related symptoms
Those taking nephrotoxic medications
Patients with swelling, breathlessness, or reduced urine
Routine screening for adults or high-risk groups
Components of the Test:
Urea
Creatinine
Uric Acid
Electrolytes (Na, K, Cl)
Calcium / Phosphorus (if included)
eGFR
BUN/Creatinine Ratio
Understanding the Test Report:
High Urea/Creatinine: Kidney dysfunction, dehydration
Low eGFR: Reduced kidney filtering capacity
High Potassium: Kidney failure risk
Low Sodium: Fluid imbalance or hormonal issues
High Uric Acid: Gout or kidney problems
Preparation and Procedure:
Routine blood draw
No special preparation required
How is the Test Done?
A blood sample is analyzed using automated biochemical analyzers to measure kidney markers and electrolytes.
Best Time for Test:
Anytime; fasting only if your doctor advises.
Booking and Checking Reports:
You can book the RFT through SDL, choose home sample collection, and view your report digitally.