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Bal, NA, Fasting or Non Fasting: As suggested by doctor

sample requiredSample Required:

A blood sample is required for the MDRD GFR test. This sample is typically drawn from a vein in your arm using a needle.

test timeTest Time:

Results for the MDRD GFR test are usually available within a day, depending on the laboratory’s turnaround time.

test normal rangeTest Normal Range:

The MDRD GFR test doesn’t have a traditional normal range like many other blood tests. Instead, it provides an estimated glomerular filtration rate (eGFR) in milliliters per minute per 1.73 square meters (mL/min/1.73 m²). A normal eGFR is normally greater than 90 mL/min/1.73 m2.

what is the testWhat is the Test?

The MDRD GFR test, also known as the estimated glomerular filtration rate (eGFR), is a measure of kidney function. It estimates how well your kidneys are filtering waste products from your blood.

test procedureTest Procedure:

The MDRD GFR test is conducted using a blood sample. The procedure involves these steps:

A healthcare provider or phlebotomist will cleanse the site from which the blood will be drawn, often the inside of your elbow or the back of your hand.

A needle is used to collect a blood sample into a tube.

The blood sample is sent to a laboratory for analysis, where the eGFR is calculated based on creatinine levels, age, gender, and race.

when to take the testWhen to Take the Test:

The MDRD GFR test is typically ordered when your healthcare provider suspects or needs to monitor kidney dysfunction. It is also performed routinely in individuals with known kidney disease.

who should take this testWho Should Take This Test:

People with diabetes, high blood pressure, or other conditions that can affect kidney function may undergo this test as part of their regular health monitoring. Additionally, individuals with known kidney disease require periodic eGFR measurements.

precautions for exceptional casesPrecautions for Exceptional Cases (Pregnancy, etc.):

During pregnancy, eGFR may naturally increase, so it’s important for healthcare providers to consider this when interpreting results. However, the MDRD GFR test is generally safe during pregnancy.


FAQs (Frequently Asked Questions):

Q1: What does a low eGFR indicate?

A: A low estimated GFR suggests reduced kidney function, which can be caused by various factors, including kidney disease, high blood pressure, or diabetes.

Q2: Can I eat or drink before the MDRD GFR test?

A: Usually, you can eat and drink as usual before the test. Fasting is not required.

Q3: Can medications affect eGFR results?

A: Yes, certain medications can affect eGFR results. When interpreting the results, your healthcare professional will take these aspects into account.

Q4: How often should I have my eGFR checked?

A: The frequency of eGFR testing depends on your individual health and risk factors. Your healthcare practitioner will select the best timetable for you.

Q5: Is the MDRD GFR test the same as the Cockcroft-Gault equation?

A: Both the MDRD GFR test and the Cockcroft-Gault equation estimate kidney function, but they use different formulas and may provide slightly different results. Your healthcare provider will choose the most appropriate method for your situation.

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