It’s common for doctors to recommend getting bloodwork following a medical appointment or routine check-up. Blood tests can identify deficiencies in vitamins or minerals, immune system problems, or ...

Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...

The estimated glomerular filtration rate (eGFR) is a blood test to assess kidney function. The formula for calculating eGFR takes the patient’s body size, age, and sex into account to predict how well ...