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The Urea and Electrolytes test (U and E) is a commonly performed test to assess kidney function. The kidneys are essential for the control of the body's fluid balance. The above tests are used to investigate urinary symptoms and kidney disorders. Urea and creatinine are waste products excreted by the kidneys. Raised levels may indicate kidney damage or disease.
This test is for individuals who wish to know how well their kidneys are functioning. The Urea and Electrolytes test is commonly performed as part of a general health check or for individulas who are taking certain medications which are known to affect kidney function. People who already have diagnosed kidney damage can also use this test ot monitor their condition.
We send you an easy-to-use kit to collect your blood sample.
Post your sample to our lab in the prepaid envelope provided.
View results securely in your own personal dashboard.
Our tests are not a substitute for seeing your doctor, especially if you are suffering symptoms. Our doctors will interpret your results based on the information you have provided, but will not diagnose, consult or provide any treatment. You will be advised to see your doctor for any necessary follow-up action.
Sodium is both an electrolyte and a mineral. It helps regulate the water and electrolyte balance of the body and is important in the operation of nerves and muscles. Sodium levels in the blood are regulated by the kidneys.
Excess sodium in the blood is often due to dehydration but can also indicate that the kidneys are not working properly.
Too little sodium is often caused by fluid retention (oedema) or reflects loss due to vomiting, diarrhoea or excessive sweating.
Chloride, like sodium, helps to maintain the balance of fluid in the body.
Raised levels can caused by eating too much salt, dehydration, diarrhoea, certain medications and also kidney disease.
Low levels can be caused by a condition that causes the ph of the blood to be raised, chronic vomiting and over-hydration.
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.
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.
We will send you your Urea and Electrolytes (blood) finger-prick blood test sample collection kit which contains everything you need to take your blood sample in the comfort of your own home. If you are unsure about completing a finger-prick blood sample collection you will have the opportunity to select a clinic-based venous blood sample collection or choose to go our London laboratory during the checkout process.How to collect a finger-prick blood sample
Your Urea and Electrolytes (blood) test includes 1st class postage and packaging for you to send your blood sample directly to our laboratory for analysis. If you live in an area where you cannot rely on the post or you simply want to ensure that your sample arrives at the laboratory the following day, you may wish to send your blood sample guaranteed next day delivery for extra reassurance.
Your blood sample will be analysed at one of our chosen laboratories. You can be assured of fast, accurate results from one of our accredited independent providers of clinical diagnostic tests.
Our medical team will comment on out-of-range blood test results and give you follow-up advice where necessary. If you need it, a PDF copy of your Urea and Electrolytes (blood) test results can be downloaded for your doctor.
Once you have placed your order you will receive login details to mymedichecks.com where you can manage your account, track your orders and view your Urea and Electrolytes (blood) test results.
Stay motivated by filling in your online health and lifestyle questionnaire and seeing how improvements in your lifestyle can influence your test results. Your medical and family history gives us vital information when interpreting your results.