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Stages of Chronic Kidney Disease - Forrest Health
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    Stages of Chronic Kidney Disease

    Topic Overview

    The stages of chronic kidney disease are determined by the glomerular filtration rate. Glomerular filtration is the process by which the kidneys filter the blood, removing excess wastes and fluids. Glomerular filtration rate (GFR) is a calculation that determines how well the blood is filtered by the kidneys. It is one way to measure kidney function.

    Glomerular filtration rate is usually calculated using a formula that includes a person's age, gender, race, and serum creatinine levels. A GFR under 60 mL/min/1.73 m² may indicate kidney disease. The lower the GFR number, the worse the kidney function. This number is an estimate. It may not be a good measure of kidney health in some people, such as the very young or very old, amputees, or obese people. In some cases, GFR may also be estimated with a 24-hour urine collection.

    Chronic kidney disease is defined as either kidney damage or GFR of less than 60 for longer than 3 months.

    Stages of chronic kidney disease

    Stage

    Description

    GFR

    What this means to you

    1

    Kidney damage with normal or high GFR

    90 or above

    • Your doctor will try to find the cause of your kidney disease and begin treatment.
    • Manage other health problems, such as diabetes and high blood pressure.
    • See your doctor regularly to monitor your condition.

    2

    Kidney damage with mildly low GFR

    60–89

    • Your doctor will estimate how quickly your disease is progressing.
    • Manage other health problems, such as diabetes and high blood pressure.
    • Continue regular monitoring.

    3

    Kidney damage with moderately low GFR

    30–59

    • Your doctor will check you for complications, such as anemia and bone disease, and begin treatment if needed.
    • Continue monitoring.

    4

    Kidney damage with severely low GFR

    15–29

    • Decide what type of treatment you want if kidney failure develops.
    • Continue treatment and monitoring.

    5

    Kidney failure

    Below 15

    • Start dialysis, have a kidney transplant, or choose palliative care.
    • Continue to see your doctor for treatment and testing.

    Credits

    Current as of: October 31, 2018

    Author: Healthwise Staff
    Medical Review: Anne C. Poinier, MD - Internal Medicine
    Kathleen Romito, MD - Family Medicine
    Adam Husney, MD - Family Medicine
    Tushar J Vachharajani, MD, FASN, FACP - Nephrology



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