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Blood Test

Wanting to check your kidney health to ensure your kidneys are working effectively? This test is ideal. Lifestyle factors such as obesity and smoking may increase your risk of kidney disease.
Kidney Blood Testing

Our kidneys are a vital organ that cleanse our bodies of waste products. They also regulate our blood pressure and help maintain balanced electrolyte levels.

When our kidneys aren’t performing their normal functions, we typically experience no symptoms until much later when these conditions begin to cause significant damage. That’s why it’s important to have regular blood tests, as well as an annual physical

There are risk factors which may affect your risk of developing kidney disease such as:
  • Diabetes
  • Older age
  • Heart disease
  • High blood pressure
  • Smoking
  • Excess alcohol consumption
  • Frequent use of medication
  • Family history of kidney disease
Testing for kidney health

The test can be performed using a small amount of blood from a finger prick which you can do yourself.

How often should I have a kidney blood test?

We recommend testing your kidney health yearly so that if you have early kidney disease, it can be treated right away. Early stage kidney disease doesn’t always show any symptoms.

Other Questions

  • High blood pressure
  • Smoking
  • Excess alcohol consumption
  • Frequent use of medication
  • Family history of kidney disease
  • Diabetes
  • Older age
  • Heart disease

This blood test is to check on:

  • Kidney health

For best results (if medically suitable) it is advisable to fast (water is allowed) 12 hours prior to the test which needs to be taken first thing in the morning and posted on the same day on a Monday, Tuesday or Wednesday.

Collection method: Finger prick
Results available: 2-5 days after the sample has reached the laboratory.


Urea is usually passed out through urine. It is a waste product from the breakdown of amino acids found in proteins.

Higher than normal levels may be indicative of a kidney problem, low levels may be indicative of dehydration.

Estimated glomerular filtration rate (eGFR)

This test will assess how well your kidneys are working.


Creatinine is usually passed out through urine. It is a breakdown of waste products made from the muscles.

A high level may be indicative of a kidney problem, however this does depend on muscle mass. Usually if a high muscle mass the creatinine may be higher. If levels are low it could be due to a low protein diet or reduced muscle mass.

How it Works

How1 512 Free shipping Red 01w - BloodTest.co.uk
1. Order and Receive Your Test

Order your Blood Test.
Receive it directly at home or work.
Delivered by courier with Free shipping.

2 Fingerprick Red 512w - BloodTest.co.uk
2. Take the Easy Finger-prick Blood Test

Activate your test online.
Collect 2-3 drops of blood.

3 Pre paid sample Red 512w - BloodTest.co.uk
3. Freepost your Blood sample to our laboratories

Use the pre-paid package to post to our laboratories.
Simply drop it into your nearest high-priority Royal Mail postbox.

4 Laboratory analysis Red 512w - BloodTest.co.uk
4. Our laboratory team run the tests

Tests are run by our staff in a clean and secure environment.
All possible measures are taken to keep Vampires out.

5 Secure online results Red 512w - BloodTest.co.uk
5. Receive Your Results within 7 days

We will email you to inform you that your blood test results are ready.
Login to your account to review the results.

6 Track your levels Red 512w - BloodTest.co.uk
6. Track your levels over time

With regular ongoing tests, you can track your results.
Check if you’re improving healthily or where changes could be made.

What’s In The Test?

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Home to laboratory kit
  • Blood Test
  • A prepaid return envelope (UK & Ireland only)
  • Two single-use lancets
  • One blood collection tube
  • One blood collection tube label
  • One plastic blood collection tube case
  • Two adhesive plasters
  • A cleansing wipe