Overview of Kidney Function Test
What is Kidney Function Test?
This test is done to evaluate the function of your kidney; if you have symptoms that may indicate a kidney disorder like painful urination, blood in urine, frequent urges to urinate, high blood pressure, swelling of hands and feet. You may also need kidney function testing if you have other conditions that can harm the kidneys like diabetes or high blood pressure.
The sample type collected for Kidney Function Test is: Blood
Preparation for Kidney Function Test
- Do not eat or drink anything other than water for 8-12 hours before the test.
Why Get Tested for Kidney Function Test?
- As a part of preventive health check-up
- If you have signs or symptoms of kidney diseases like swelling or puffiness around the eyes, face, wrists, bloody urine, difficolt, painfol urination, mid back pain
- If you have risk factors for kidney disease like high blood pressure, diabetes mellitus, cardiovasclolar disease, obesity, elevated cholesterol or a family history of kidney disease
- If you are being treated for kidney disease for monitoring purposes
What Results of Kidney Function Test mean?
- Urea/ BUN - High levels suggest impaired kidney function caused by acute or chronic kidney disease or rarely due to some other conditions like congestive heart failure or dehydration
- Creatinine - High levels suggest impaired kidney function
- Calcium - Low levels may be seen with kidney failure
- Phosphorus - High blood levels are associated with kidney disease
- Albumin - Low blood level may indicate that the kidneys cannot prevent albumin from leaking out
- Glucose - High blood level indicate diabetes, which is an important cause of kidney disease
Tests Included in Kidney Function Test(4 tests)
- Urea/ Blood Urea Nitrogen
- BUN/Creatinine Ratio
- Uric Acid