Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

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 (chronic ...

A random glucose test measures the amount of glucose or sugar circulating in a person’s blood at any time of day. Typical ranges for a glucose tolerance test are 140 milligrams per deciliter or lower.