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    What is Estimated Glomerular Filtration Rate (eGFR) Test?

    The eGFR test, or Estimated Glomerular Filtration Rate test, evaluates how well your kidneys filter blood, measured in millilitres per minute. Positioned on either side of the spine near the waist, your kidneys contain microscopic filters called glomeruli. These filters help clear waste and surplus fluids from your blood, which are expelled through urine.

    When kidney function declines, often due to chronic disease, filtration becomes less effective. A lower eGFR may point to kidney failure, which could lead to dialysis or a kidney transplant.

    The test is used in several contexts, including:

    • Screening for kidney disease in people without noticeable symptoms

    • Diagnosing kidney disease in those showing symptoms

    • Staging kidney disease to determine its severity

    • Monitoring chronic kidney disease (CKD) and its treatment

    • Checking kidney function for those on medications that may harm the kidneys

    • Evaluating kidney health before beginning treatments that could influence kidney performance

    The eGFR test is a key tool for ensuring timely detection, appropriate diagnosis, and proper management of kidney health.

    Estimated Glomerular Filtration Rate (eGFR) Test Parameters

    The estimated glomerular filtration rate (eGFR) test determines how effectively the kidneys filter blood, expressed as the volume of blood filtered per minute.

    This test offers an essential assessment of kidney function. Although the glomerular filtration rate (GFR) can be measured directly, the process is complex and rarely performed. Instead, eGFR is calculated from a blood test measuring creatinine, a byproduct of muscle activity. Elevated blood creatinine levels may indicate impaired kidney function.

    Individual variables such as age, sex, weight, and height are combined with creatinine levels in the eGFR formula. These factors account for differences in creatinine production, which can vary depending on body size, diet, and physical activity, to produce a more accurate result.

    Another method involves calculating eGFR using cystatin C, a protein created by all cells in the body. Unlike creatinine, cystatin C is not influenced by age, muscle mass, or diet, potentially offering a more reliable measure for certain individuals. Research is underway to determine whether combining creatinine and cystatin C improves kidney health assessments.

    The eGFR test is a critical tool for understanding kidney health and addressing potential concerns.

    Estimated Glomerular Filtration Rate (eGFR) Test Preparation

    Here’s what you should know before booking an Estimated Glomerular Filtration Rate (eGFR) test in Noida:

    • Prerequisites

    There’s no need to fast before this test.

    • Best Time to Get Tested

    This test can be performed at any time of the day.

    • Who Should Get This Test

    The test is recommended for people at risk of kidney disease, including those with a history of diabetes, hypertension, or kidney issues in the family.

    • Cautions Before Taking This Test

    While specific preparation is not required, it’s best to consult your doctor to determine if the test is necessary for you.

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

    Detecting chronic kidney disease (CKD) early is critical, and the eGFR test is a reliable method for this purpose. CKD is often symptomless in its initial phases, which is why individuals with certain risk factors are advised to undergo testing. These factors include:

    • Diabetes : A primary contributor to kidney deterioration.

    • Hypertension : Can damage the kidneys by affecting their blood vessels.

    • Obesity : Additional weight can negatively influence kidney health.

    • Age Over 60 : Older adults face a higher risk of kidney conditions.

    • Family History of CKD or Kidney Failure : Inherited tendencies may raise the likelihood of developing CKD.

    CKD arises from a blend of physical, environmental, and lifestyle-related influences.

    Symptoms generally appear in the later stages of CKD and may involve:

    • Unusual urination patterns (frequent or infrequent)

    • Continuous itching

    • Excessive fatigue

    • Swelling in the arms, legs, or feet

    • Nausea and vomiting episodes

    • Muscle cramps or spasms

    • Decreased appetite

    Using eGFR testing helps identify kidney concerns early and allows for timely intervention.

    FAQs on Estimated Glomerular Filtration Rate (eGFR) Test in Noida

    The price of the eGFR test in Noida is ₹ 550, which includes home sample collection within 60 minutes of confirming the test.

    Yes, Orange Health Labs offers home collection for the eGFR test in Noida. Your sample will be collected within 60 minutes, based on slot availability.

    The eGFR test checks kidney health and helps detect kidney disease early in people at risk.

    Fasting is not necessary before undergoing the eGFR test.

    Follow these simple steps to book a blood test or health checkup with Orange Health:

    • Find the Test: Look up the Estimated Glomerular Filtration Rate (eGFR) test in Noida and visit the Orange Health test page.

    • Review and Verify: After selecting the test, review the prerequisites, enter your address, and schedule a time for sample collection.

    • Sample Collection: A trained eMedic will arrive at your location to collect the sample at the chosen time.

    • Laboratory Processing: Your sample will be analysed at our NABL-certified and ICMR-accredited lab.

    • Receive Results: Reports will be available via email or WhatsApp within 6 hours, and you can also check them on our app.

    An eGFR above 90 mL/min/1.73 m² is considered normal. Values from 60-89 mL/min indicate slightly reduced kidney function, while lower levels signal more advanced issues.

    Test results are available within 6 hours after collection, which occurs 60 minutes after confirmation.

    The frequency of testing depends on your doctor’s advice, based on your health status and risk profile.

    The eGFR test measures the amount of blood filtered by the kidneys in a minute.

    Orange Health offers the fastest Estimated Glomerular Filtration Rate (eGFR) test in Noida, delivered conveniently to your home without needing a physical visit to the laboratory. Localities served for home sample collection include but are not limited to Sector 1, Sector 15, Sector 18, Sector 26, Sector 37, Sector 50, Sector 62, Sector 76, Sector 93, Sector 100, Sector 104, Sector 110, Sector 120, Sector 128, Sector 137, Sector 150, Sector 168, Sector 71, Sector 63, Sector 22, Sector 41, Sector 108, Sector 47, Sector 121, Sector 45.

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    References

    1. MedlinePlus. Glomerular Filtration Rate (GFR) Test: MedlinePlus Lab Test Information [Internet].  Available from:  https://medlineplus.gov/lab-tests/glomerular-filtration-rate-gfr-test/%5C
    2. Cleveland Clinic. Estimated Glomerular Filtration Rate (eGFR): Definition & Results [Internet].  Available from:  https://my.clevelandclinic.org/health/diagnostics/21593-estimated-glomerular-filtration-rate-egfr
    3. National Kidney Foundation. Estimated Glomerular Filtration Rate (eGFR) [Internet].  Available from:  https://www.kidney.org/kidney-topics/estimated-glomerular-filtration-rate-egfr