What does a kidney whole blood test check for?
Renal blood testing is a method of evaluating kidney function through blood tests. Common components of a comprehensive renal panel include creatinine, blood urea nitrogen (BUN), uric acid, and β2-microglobulin. The details are as follows:
Blood tests for kidney function typically include measurements of creatinine, BUN, uric acid, and β2-microglobulin. The kidneys are vital organs responsible for functions such as urine production, removal of metabolic waste, and regulation of fluid, electrolyte, and acid-base balance. These tests help assess overall kidney function. For example, creatinine and BUN primarily reflect the excretory capacity of the kidneys. Decreased BUN levels may be observed in individuals with inadequate protein intake, pregnant women, or those with severe liver disease. Serum uric acid and β2-microglobulin levels can indicate glomerular filtration function. Abnormal results in these tests often suggest impaired kidney function.
In summary, each test parameter has distinct clinical significance. Patients are generally advised to fast before testing, as recommended by physicians. If abnormal results occur, it is important to follow up with additional evaluations under medical guidance.