renal filtration rate

noun

UK /ˈriːnəl fɪlˈtreɪʃən reɪt/

US /ˈriːnəl fɪlˈtreɪʃən reɪt/

How fast your kidneys clean your blood.

The doctor checked his renal filtration rate to see how well his kidneys were working.

SYNONYMS

glomerular filtration rate GFR kidney filtration rate renal clearance rate

RELATED WORDS

kidney creatinine nephron blood test renal function

OTHER MEANINGS

2. A measurement used to estimate how much blood the kidneys filter each minute.

Her renal filtration rate dropped slightly, so the doctor ordered more tests.

3. A clinical value that helps doctors judge kidney health and adjust medicine doses.

Because his renal filtration rate was low, the pharmacist lowered his dose.

4. The speed at which waste is removed from the blood by the kidneys.

A healthy renal filtration rate means waste leaves the body quickly.