Poona Diagnostic Centre

The Kidney Function Test (KFT) is a blood test used to assess the health and functionality of the kidneys by measuring the levels of waste products, primarily urea and creatinine, in the bloodstream.

The kidneys play a crucial role in filtering waste, maintaining electrolyte balance, regulating fluid levels, and removing excess toxins. This test provides essential information about kidney function, helping to diagnose kidney diseases, monitor chronic kidney conditions, and assess the impact of medications.

1. Creatinine:

   • A waste product produced by muscles from normal wear and tear. Elevated creatinine levels in the blood indicate impaired kidney function, as the kidneys are unable to effectively filter and eliminate it.
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2. Blood Urea Nitrogen (BUN):

   • A waste product produced when the body breaks down proteins. High levels of urea in the blood can suggest kidney dysfunction, dehydration, or other metabolic conditions.
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3. Glomerular Filtration Rate (GFR):

   • A calculation based on creatinine levels, age, gender, and other factors to estimate how well the kidneys are filtering waste. A low GFR indicates decreased kidney function.
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4. Electrolytes (Optional):

   • Tests for sodium, potassium, and chloride levels, as the kidneys are responsible for regulating these electrolytes in the body. Imbalances can signal kidney problems.

• Diagnosing Kidney Diseases: Helps identify kidney disorders like chronic kidney disease (CKD), acute kidney injury (AKI), and glomerulonephritis.
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• Monitoring Kidney Function: Used to track kidney health in individuals with diabetes, hypertension, or a family history of kidney disease.
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• Assessing the Impact of Medications: Monitors kidney function in patients taking medications that may affect the kidneys.
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• Evaluating Fluid and Electrolyte Balance: Assesses conditions like dehydration or imbalances caused by kidney dysfunction.

The Kidney Function Test is recommended for:

• Individuals with symptoms of kidney disease such as swelling, fatigue, or changes in urine output.
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• Those with risk factors like diabetes, hypertension, or a family history of kidney disease.
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• Monitoring patients on medications that may impact kidney function.

By identifying kidney issues early, the test allows for timely treatment and lifestyle adjustments to prevent further damage. Regular monitoring of kidney function can help manage chronic conditions, improve quality of life, and reduce the risk of kidney failure or the need for dialysis.