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KIDNEY DISEASE: DEFINING IT
What is Kidney Disease?
Chronic Kidney Disease (CKD) is typically divided into five stages, based on how well the kidneys are filtering waste from the blood. The main measure used is the estimated glomerular filtration rate (eGFR), which reflects kidney function as a percentage of normal.
STAGE 1
Kidney damage with normal or high function
- eGFR: 90 or above
- Description: Kidneys are working normally, but there is evidence of kidney damage (such as protein in the urine, structural abnormalities, or genetic factors).
- Focus: Monitoring, controlling blood pressure, managing underlying conditions (like diabetes).
STAGE 2
Mild loss of kidney function
- eGFR: 60–89
- Description: Mild reduction in kidney function, with other signs of kidney damage.
- Focus: Lifestyle adjustments, close monitoring, preventing further damage.
STAGE 3
Moderate loss of kidney function
- Stage 3a eGFR: 45–59
- Stage 3b eGFR: 30–44
- Description: Waste products can start building up in the blood, and patients may begin to experience symptoms such as fatigue, swelling, or changes in urination.
- Focus: Diet changes, medication management, and preventing complications.
STAGE 4
Severe loss of kidney function
- eGFR: 15–29
- Description: Significant decrease in kidney function; symptoms become more apparent and serious.
- Focus: Preparing for dialysis or transplant, intensive symptom management.
STAGE 5
Kidney failure (End-Stage Renal Disease)
- eGFR: Less than 15
- Description: Kidneys can no longer filter waste effectively; dialysis or a kidney transplant is required for survival.
- Focus: Life-sustaining treatments and ongoing supportive care.
KIDNEY FAILURE 2024: A SNAPSHOT
Understanding Kidney Disease
The East Tennessee Kidney Foundation, Inc.™
Preventing Kidney Failure
