This test is what helps us check for blood and proteins present in the urine. We know that there are many factors like heavy physical workout and the rest, which may influence the presence of proteins in the urine. This is why we do not mind running this test over and over again to get your accurate result.

We may ask you to give us a 24-hour sample of urine collection. This will help us know the rate at which creatinine (a waste product of the breakdown of muscle tissue) is clearing form your body.

Kidney function test Skylab clinical Laboratory Pettah Trivandrum

A Comprehensive Look at Kidney Function Tests

You have two kidneys located on both sides that run along your spine within your body. The kidneys are roughly the size of the human fist. They are placed carefully beneath your rib cage and abdomen behind you.

The main reason why we suggest that you test your kidneys is due to the crucial function it plays within the body. Of all the tasks, the most crucial one is taking waste material out of the blood and then transferring them through the body in urine. They also assist in managing water levels and essential mineral levels within the body. Apart from that kidneys, they are critical to creating red blood cells. Vitamin D, hormones, and other substances are responsible for controlling and controlling blood pressure.

If we suspect your kidneys aren’t functioning as they ought to, we recommend you take part in the tests for kidney function. These tests are simply tests of the urine and blood to help us determine where the issue of your kidney stems from.

Skylab laboratory can also help you evaluate your kidney function if you are suffering from other issues like diabetes or high blood pressure that can negatively affect your kidneys. The results of these tests can assist us in monitoring these issues more effectively.

How can we identify kidney issues?

The first way for us to know if there’s an issue in your kidney is by observing the symptoms you can detect, and some of the signs which could be any significance to us include:

  • Urinary urges frequently recur.
  • High blood pressure
  • There is blood present urine
  • The problem is when you wish to get started with urination
  • Pains during urination
  • The accumulation of fluids in the body can cause the feet and hands.

It is common to suspect kidney issues when the symptoms are present in a row. If the symptoms are attending, the next step is to perform kidney function tests. These tests will determine the cause of the symptoms.

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The Kinds of Kidney Function Tests We Perform

We typically order a series of tests to aid in estimating your GFR or glomerular filtration rate (GFR). Your GFR tells us how efficient your kidneys are working to eliminate substances from your body.


This test helps us determine the presence of proteins and blood in the urine. We are aware of various factors like vigorous exercise and others that could affect the number of proteins present in urine. This is why we’re not afraid to run the test until you get the exact results. We could request that you provide us with an hour-long urine sample collection. This will inform us of how much creatinine (a result of the breakdown of muscles) is getting eliminated from your system.

Serum Creatinine Test

It can be a test for blood that will help us determine whether there is a buildup of creatinine inside your blood. The kidney is expected to eliminate this waste product in normal circumstances. Therefore the presence of creatinine in a large amount in your blood indicates an issue in the kidney.
The National Kidney Foundation says if the creatinine level in men’s blood is more significant by 1.2 milligrams/decilitre (mg/dL) or 1.4 mg/dL for males, that indicates an issue with kidneys.

Blood Urea Nitrogen

This test aims to identify what amount of waste products within your blood. The Blood Urea Nitrogen tests determine the amount of nitrogen (the creation of the decomposition of proteins) found in your blood.
We love our Blood Urea Nitrogen tests because it provides us with information about supplements or medicines you’ve often taken. Due to drugs in the Blood Urea Nitrogen test, we suggest that you stop taking certain medications for a few days before the test.
The Blood Urea Nitrogen ranges between 7 and 20 mg/dL. Any level higher than this is a signal to our heads that you may have a health issue and that we need to be proactive in helping you.
It is worth noting that kidney disease isn’t the sole cause of increased Blood Urea Nitrogen levels.

Estimated GFR

The test is performed to assess the efficiency of your kidneys to assist in the elimination of waste. This test takes into account various factors, including the test results (mainly the amount of creatinine) and gender, age, race and weight, and height.
If the test gives an outcome that is lower than 60 ml/minute/1.73m2, you could suffer from kidney disease.

How Do We Conduct These Tests

The tests are conducted by first requesting the urine sample for 24 hours and then running a blood test.

To collect urine samples, we advise our patients to go to the bathroom at the time of testing. After that, pour the urine into the container provided by us and keep it sealed and refrigerated throughout the day before returning it to us.

Also, we draw blood to test the results by tying your arm using an elastic band to ensure we can view the available veins. If we spot this vein, we cleanse the skin and gently insert an instrument to pull blood. Once enough blood has been drawn, it is time to close the puncture area by putting a bandage over it to stop bleeding.

What can you do to treat the early Phase of Kidney Disease?

We pay close attention to the early stages of kidney disease because once the disease has advanced, tiny amounts of resources will be available for treatment to be done that could assist.

To treat this stage of the disease, first look for the root reason and then treat it. The treatment is typically prescribing medicines to help or treat the root cause based on the outcome obtained from the tests.

If your primary issue is diabetes, we suggest that you consult with an endocrinologist to ensure that your blood sugar is controlled.

If the cause stems from issues such as kidney Stones or the excessive use of painkillers, your physician must carry out this to make sure the condition is appropriately controlled.


We recommend that our patients who have abnormal test results perform renal function tests routinely. This will allow us to keep an eye on their condition and assist them to live a more fulfilling life