CBS News chief medical correspondent Dr. Jon LaPook explains why immediate access to test results "is a great idea," but ...

With all the different types of blood tests out there, it can be confusing to figure out which you need and when. To help, we ...

Blood tests are an indispensable tool of medicine ... to eat or drink the night before" can end up with high blood urea nitrogen (BUN), which assesses kidney function. Their kidneys are fine ...

The blood urea nitrogen values on which this study is based ... For some of the patients liver-function tests were available for review. For others, no such tests were obtained during the hospital ...

A urine test that can rapidly detect acute kidney injury is described in a new study published in Kidney International. “The methodology is identical to the off-the-shelf pregnancy test,” says ...

Each nephron is made of a tubule and is responsible for 'cleaning' the blood by removing urea and excess water and mineral ions. Blood passes through the nephron inside the kidneys, there are many ...

The test also looks for kidney function indicators, such as blood urea nitrogen and creatinine. "Glucose levels provide insight into blood sugar control," Knöbel explains. "Electrolyte imbalances ...