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Glomerular Filtration Rate (GFR) is the best overall test for learning how well our kidneys function. Do you want to know about your kidney condition?Use the following tool to calculate your GFR and then get the corresponding consequence in the following.


Value: epi

MDRD GFR: mdrd

(Age, Race, Gender, Plasma creatinine)

*All ethnic groups other than African American

Would you mind leaving your GFR to us? We can offer you free analysis about your kidney condition according to your GFR. Hoping what we do can help you defeat kidney problem.

Name :
Age :
Gender :
Creatinine :
Message :
GFR (mL/min/1.73m2)
CKD stages
Slightly diminished function: kidney damage with normal or relatively high GFR. (more detail)
Mild reduction in GFR with kidney damage which usually is defined as pathological abnormalities or markers of damage, including abnormalities in blood or urine test or imaging studies. (more detail)
Moderate decrease in GFR. In this stage, symptoms like swelling, proteinuria and anemia appear gradually. (more detail)
Severe decrease in GFR. Symptoms in stage 3 become more severe, and there are some new symptoms such as nausea and vomiting. (more detail)
Kidney Failure or ESRD (End Stage Renal Disease). In this stage, kidneys have lost nearly all their function. (more detail)

Stage 1 and Stage 2 Kidney Disease

In stage 1 and stage 2 kidney disease, there are often few symptoms. Chronic Kidney Disease (CKD) in early stage is usually diagnosed when there is:

1. High blood pressure

2. Slightly increased creatinine level and urea level in blood

3. Mild protein urine and/or blood urine

4. Pathological abnormalities or markers of damage, including abnormalities in blood or urine test or imaging studies.

5. A family history of PKD (Polycystic Kidney Disease)

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Stage 3 Kidney Disease

Generally speaking, kidney disease symptoms begin to appear in stage 3. CKD 3 symptoms include high blood pressure, foamy urine (proteinuria), frequently urination at night, swelling (edema), back pain (PKD), changed urine color (red, dark orange, tea-colored) and anemia and so on.

With stage 3 kidney disease, aside from bring these bothersome symptoms under control, protecting kidneys from further aggravation is also very helpful for contributing to a better prognosis.

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Stage 4 Kidney Disease

In stage 4 kidney disease, symptoms in stage 3 become more severe. And beside these, some new symptoms like nausea, vomiting, itchy skin, poor appetite and decreased libido appear gradually. Also, once stepping in stage 4 kidney disease, mostly patients are suggested to prepare for dialysis or kidney transplant, both of which are conventional treatments. In many countries, there is no alternative treatment, so dialysis and kidney transplant are regarded as the last two options for stage 4 kidney disease patients. Actually, according to recent clinical studies, as long as proper treatment is given, there still remains hope for stage 4 kidney disease patients to live their rest life without dialysis and kidney transplant.

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Stage 5 Kidney Disease (Kidney Failure)

At this advanced stage of kidney disease, the kidneys have lost nearly all their ability to produce urine, filter blood, regulate balance of electrolyte and acid-bases and so on. Because of failed kidneys, stage 5 kidney disease patients need to rely on dialysis or kidney transplant to remove wastes in blood.

It is generally believed that kidney failure patients can not stop dialysis once starting and there is no cure for failed kidney, so dialysis patients need not to receive any treatment. Actually, this is a totally wrong idea. Effective treatment not only helps to protect residual kidney function, but also contributes to the reducing of dialysis frequency.

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