Estimated Glomerular Filtration Rate (eGFR) Test Overview

What is the Estimated Glomerular Filtration Rate (eGFR) Test?

The Estimated Glomerular Filtration Rate (eGFR) Test evaluates how efficiently your kidneys are filtering waste from your blood. It uses a calculation based on serum creatinine levels, age, sex, and body size to estimate kidney function. This test is essential for early detection of kidney disease, monitoring the progression of chronic kidney conditions, and adjusting medications that are cleared by the kidneys.

Low eGFR values may indicate reduced kidney function due to conditions such as chronic kidney disease, diabetes, or hypertension. Elevated values are less common but may occur in highly muscular individuals or in certain laboratory conditions. By assessing kidney filtration rate early, doctors can recommend lifestyle changes, dietary modifications, or treatments to prevent further kidney damage and maintain overall health.

Why Take the Estimated Glomerular Filtration Rate (eGFR) Test?

This test is recommended if you:

• Have risk factors for kidney disease, such as diabetes, high blood pressure, or a family history of kidney problems

• Are monitoring existing kidney conditions

• Are taking medications that may affect kidney function

• Experience symptoms like fatigue, swelling, or changes in urination

• Want a comprehensive assessment of kidney health

How is the Estimated Glomerular Filtration Rate (eGFR) Test Carried Out?

• A blood sample is drawn from your arm at the lab or via home collection.

• The sample is analyzed for serum creatinine.

• eGFR is calculated using your age, sex, and other factors to provide an estimate of kidney filtration efficiency.

How do I Prepare for the Estimated Glomerular Filtration Rate (eGFR) Test?

• Diet: Maintain your usual diet; avoid excessive protein intake immediately before the test if advised.

• Activity: No special restrictions; follow your normal daily routine.

• Medications: Inform your doctor about any drugs or supplements, especially those affecting kidney function.

Next Steps

If eGFR results are abnormal, your doctor may:

• Recommend further kidney function tests, such as serum creatinine, BUN, or urine albumin tests

• Advise dietary changes to support kidney health

• Adjust or monitor medications cleared through the kidneys

• Refer you to a nephrologist for ongoing management if chronic kidney disease is suspected

Why Choose Docty Labs?

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Frequently Asked Questions (FAQs)

• What is the Estimated Glomerular Filtration Rate (eGFR) Test?
  It estimates how efficiently your kidneys filter waste from the blood to assess kidney function.

• Is fasting required?
  No fasting is needed for this test.

• Can the test be done at home?
  Yes, Docty Labs offers safe home blood sample collection.

• Is the test safe?
  Yes, it is a quick and safe blood test with minimal discomfort.

• How soon will I get results?
  Usually within 6 hours.

• Does Docty offer discounts on the Estimated Glomerular Filtration Rate (eGFR) Test?
  Docty Labs offer an additional 20% discount on labs with an annual membership plan.

• How can I book the Estimated Glomerular Filtration Rate (eGFR) Test?
  Book online by clicking “Add to Cart” or call your nearest Docty Lab. Home collection is available in select cities.