To assess how well your kidneys are functioning, we will take a small sample of blood for analysis at our laboratory. Your readings will cover sodium, urea, Creatinine. Anyone who is concerned about their kidney function – particularly if they have a family history of kidney disease or high blood pressure – should be test their kidney function.
The kidneys are powerful chemical factories that perform the following functions:
There are almost no symptoms associated with Chronic Kidney Disease (CKD) in the early stages. When it reaches a more advanced stage, symptoms can include:
The NHS has stated that they believe about 1 million people in the UK have undiagnosed CKD.
To assess the function of the kidney, we focus on 3 key measures
Creatinine is a chemical waste molecule that is generated from muscle metabolism. Measurement of this is an indicator of the levels of other waste products in the body. Creatinine is an accurate marker of kidney function.
Elevated creatinine can be caused by high intake of animal protein, taking creatine supplements and vigorous exercise but can also indicate that the kidneys are not working properly. Low creatinine can be caused by a low protein diet, reduced muscle mass or sometime that the kidneys are simply functioning efficiently.
Urea is waste product produced as the body digests protein and is carried by the blood to the kidneys, which filter the urea out of the blood and into the urine. The urea test examines how well the kidneys are functioning.
Raised levels of urea in the blood can be caused by dehydration or high protein consumption or may indicate that the kidneys are not working properly.
Low amounts of urea in the blood may indicate a low protein diet, excess hydration, malnutrition or liver failure.