DEAR DR. ROACH: I am a 73-year-old female. A recent blood test returned an eGFR (estimated glomerular filtration rate) of 59. My physician’s nurse told me that the test was normal. When I asked ...

A GFR of over 90 is considered normal. But having a GFR of 60 or above may also be considered within the normal range if you do not have other signs of kidney disease. Diabetes is a long-term ...

The results of your father’s creatinine blood test are indeed quite high. The normal range for an adult man is 0.7 to 1.3 mg/dL (that’s milligrams per deciliter). For women it is 0.6 to 1.1 mg/dL.