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what is egfr test

A 65-year-old male asked:
Dr. Jack Rubin
48 years experience Nephrology and Dialysis
EGFR: Egfr stands for estimated glomerular filtration rate. It is calculated by a formula that takes into account your sex, age, race, weight and serum crea ... Read More

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A 61-year-old female asked:
Dr. Heidi Fowler
25 years experience Psychiatry
Kidney: The estimated glomerular filtration rate is used to check for kidney damage.
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Dr. Ed Friedlander
44 years experience Pathology
Kidney estimate: This is a crude and not-very-scientific estimate of the glomerular filtration rate that labs have begun reporting based on spot serum creatinines, eve ... Read More
A 39-year-old member asked:
Dr. Ed Friedlander
44 years experience Pathology
No such thing: There's an unproven test for one's MTHFR (a folic acid metabolism enzyme) genotype. A majority of people who pay to have it done will be told they hav ... Read More
A 40-year-old member asked:
Dr. S. Smiley Thakur
31 years experience Nephrology and Dialysis
Not necessary: Don't need to fast for chem-7 test.
A 47-year-old male asked:
Dr. Ed Friedlander
44 years experience Pathology
Yes: Lab values very both day to day and as diseases wax and wane. As a pathologist, i set little by clinicians' estimates of gfr; i'd follow your BUN and ... Read More
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A 44-year-old female asked:
Dr. Atul Singh
28 years experience Nephrology and Dialysis
CKD: Lower than normal GFR as computed by your creatinine using a formulae called MDRD. The efficiency of your kidney is lower than normal and by definiti ... Read More
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A 20-year-old female asked:
Dr. David Dildine
12 years experience Family Medicine
Yes, this is normal.: The egfr is a measurement of how your kidneys are doing. This is a normal level and means your kidneys are fine. Your creatinine level is more often ... Read More
A 30-year-old female asked:
Dr. Edward Eckert
A Verified Doctor answered
A US doctor answered Learn more
No, but...: ... At your age, i would expect it to be higher. Estimated glomerular filtration rate (egfr) is a value calculated from several other blood tests, and ... Read More
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A 22-year-old male asked:
Dr. Dean Giannone
25 years experience Internal Medicine
Kidney insufficiency: On the surface, these blood test results suggest a significant degree of impairment of the function of your kidneys. This needs to be our first presum ... Read More
A 64-year-old female asked:
Dr. Jay Park
Dr. Jay Park answered
50 years experience Pediatrics
Possible but unlike: Estimation of GFR (eGFR) is made from serum creatinine level, whose value rises only when glomerular filtration drops by 30-40%. Therefore, decrease ... Read More

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