What are the main tests for kidney function?

Understanding kidney function is crucial for assessing overall health. Several key tests help evaluate kidney function:
 
1. Serum Creatinine Test: This measures the level of creatinine in the blood, a waste product from muscle metabolism. Elevated levels can indicate reduced kidney function.
 
2. Blood Urea Nitrogen (BUN) Test: BUN levels in the blood can show how well the kidneys are filtering urea (a waste product). Elevated BUN can suggest kidney issues.
 
3. Glomerular Filtration Rate (GFR): GFR is calculated using serum creatinine levels, age, sex, and race. It estimates the rate at which the kidneys filter blood and is a key indicator of kidney function.
 
4. Urine Tests: These include Urinalysis and Urine Protein Test. Urinalysis checks for protein, blood, or other abnormalities. High protein levels may indicate kidney disease.
 
5. Imaging Tests: Ultrasound, CT scan, or MRI can provide detailed images of the kidneys to identify structural abnormalities or obstructions.
 
6. Kidney Biopsy: In some cases, a biopsy may be needed to examine kidney tissue under a microscope, especially when the cause of kidney disease is unclear.
 
Regular testing helps detect kidney problems early. If you have concerns about kidney health, consult a healthcare professional for personalized Kidney Function Test (KFT) advice.