Overview
How Is It Used ?
Since albumin is low in many different diseases and disorders, albumin testing is used in a variety of settings to help diagnose disease, to monitor changes in health status with treatment or with disease progression, and as a screen that may indicate the need for other kinds of testing.
An albumin test may be ordered as part of a liver panel to evaluate liver function, along with a creatinine and BUN (Blood Urea Nitrogen) to evaluate kidney function, or along with a prealbumin to evaluate a person's nutritional status.
When Is It Ordered ?
A physician may order an albumin test, along with other tests, when a person has symptoms of a liver disorder such as jaundice, fatigue, or weight loss, or symptoms of nephrotic syndrome such as swelling around the eyes, belly, or legs.
Doctors may also order blood albumin tests along with or instead of a prealbumin test when they want to check or monitor a person's nutritional status. Albumin concentrations do not change as rapidly as prealbumin, but decreases can reflect protein deficiencies and malnutrition
What Does The Test Result Mean ?
Low albumin levels can suggest liver disease. Other liver enzyme tests are ordered to determine exactly which type of liver disease.
Low albumin levels can reflect diseases in which the kidneys cannot prevent albumin from leaking from the blood into the urine and being lost. In this case, the amount of albumin or protein in the urine also may be measured (see microalbumin).
Low albumin levels can also be seen in inflammation, shock, and malnutrition.
Low albumin levels may be seen with conditions in which the body does not properly absorb and digest protein, such as Crohn's disease or celiac disease, or in which large volumes of protein are lost from the intestines.
High albumin levels can be seen with dehydration, although the test is not typically used to monitor or detect this condition.
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