CRP Blood Test
Chronic low-level inflammation, a risk factor for the onset of heart disease, is measured using the finger-prick CRP Blood Test.
Test kits are available for those 18 years of age and above.
- This test will check your C-reactive protein level in the body.
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- Biomarkers
- Information
CRP (C-Reactive Protetin)
A CRP blood test checks for the levels of (C-Reactive Protetin) in your blood. CRP is produced in the liver; if a higher than average level is present, it suggests that your body has high inflammation levels. CRP is released into the blood after an injury or infection has occurred. Therefore testing for CRP can indicate underlying problems such as potential sepsis or heart attack.
Is this test for you?
CRP tests are often carried out when acute inflammation is at risk. This is often the case when infection risk is present, such as post-surgery. It is also often requested when diagnosing chronic inflammatory disorders such as lupus or rheumatoid arthritis. CRP levels can be constantly monitored to see if inflammation factors are rising or subsiding, helping to mitigate against triggers and take action based on expert medical advice when necessary.
Additional Information
Chronic low-level inflammation is a risk factor for heart disease, and now there's a blood test that can check for it. The test measures levels of C-reactive protein (CRP), which is a marker of inflammation.
If your CRP levels are high, you may be more likely to develop heart disease. That's why it's important to get your CRP levels checked if you're concerned about your risk for heart disease.
There are several ways to reduce your risk of heart disease, including eating a healthy diet, exercising regularly, and avoiding smoking. If you have high CRP levels, you may also need to take medication to help reduce your risk.
Talk to your doctor about the best way to reduce your risk of heart disease. There's no one-size-fits-all approach, so you'll need to find a plan that works for you. You may also need to see a specialist, such as a cardiologist, to get the most effective care.
Additional Insight from Dr Sameer Nakedar, MBBS, MRCGP, PGCert
In a healthy state, CRP levels should be ordinarily low. If you have an evolving infection or an immediate injury, this would not be the ideal time to take this test.
CRP levels can help monitor treatment progress in infectious or inflammatory diseases.
HsCRP (High sensitivity CRP) is a blood marker shown to be a risk factor for heart disease; therefore, this test can sensitively pick up if there is an inflammatory issue with blood vessels, even at low levels.
Statistics on Inflammation Levels
According to the World Health Organisation (WHO), inflammatory and chronic diseases are the leading cause of death globally.








Experts Opinion on CRP Tests
"CRP (C-reactive protein) level is a remarkably common blood test performed in all healthcare settings and frequently used by doctors. CRP is produced by the liver and released in conditions of inflammation, infection, or tissue injury."

How to take a CRP Blood Test Test
Collecting a blood sample for your finger prick home test is straightforward. Watch the video below for more details on how to take a home blood test.
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Take your test
Activate your test and collect your sample in the morning. Return your sample on the same day, using the prepaid shipping label provided. Samples use a simple finger prick collection method that takes around 5 minutes to complete.
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CRP Blood Test Information
Specification of CRP Blood Test
- Test name: CRP Blood Test
- Also known as & related tests: C-reactive protein test, C-reactive protein assay
- Biomarkers:
- Test tube: SST (Gold microtainer)
- Brand: Welzo
- Turn around time: Approx. 24 hours
- Lab test ranges:
- Test Kit Marking: MHRA/UKCA
- Location of Lab: United Kingdom
What is a CRP Blood Test?
A CRP Blood Test is a home health test offered by Welzo. The CRP Blood Test can be taken from the comfort of your home using a finger prick sample, which is then sent back to our lab for analysis and interpretation.
What does a CRP Blood Test for?
A CRP Blood Test tests for the following:
.What are the benefits of a CRP Blood Test?
Checking your health through the use of CRP Blood Test is an important way to track your health. Home testing offers the convenience of conducting health assessments in the comfort of your own home, while enabling quicker, more private results without the need for visiting a healthcare facility.
Can a GP review my CRP Blood Test?
Yes, Welzo offers a GP review service for the CRP Blood Test. Follow the link if you would like to have an online GP appointment with your CRP Blood Test.
Are CRP Blood Tests available on the NHS?
The NHS offers CRP Blood Tests subject to eligibility requirements, consultations and local guidelines.
CRP Blood Test Kit and Ordering
How can a CRP Blood Test be ordered?
A CRP Blood Test can be ordered online through Welzo's secure checkout. Select the CRP Blood Test and add the patient's name and details, then checkout for next-day delivery.
What is included in the CRP Blood Test test kit?
The CRP Blood Test contains the following items in the test kit:
- 1 x UN3373 Test Kit for Biological Substances Category B (test kit design may vary from images displayed online depending on the test selected.
- 1 x Free Return Label
- 1 x Finger Prick Lancet / Urine Sample Pouch or Swab (depending on the test ordered)
- 1 x Cleansing Wipe/ Alcohol Swab
- SST (Gold microtainer)
CRP Blood Test Biomarkers and Results
What biomarkers are tested for in a CRP Blood Test?
The CRP Blood Test checks for the following biomarkers:
What are the results ranges for a CRP Blood Test?
CRP Blood Test reference ranges vary based on age, sex, population sample and numeric test result ranges. However, once you complete your tests, you will receive clear reference ranges for your CRP Blood Test.
What is a normal test range for CRP Blood Test?
The CRP Blood Test range will be provided on the advanced Welzo reporting panel which will factor in multiple aspects such as age, population size comparison and biological sex.
CRP Blood Test Procedure and Timing
When should a CRP Blood Test be taken?
It is best to take a CRP Blood Test first thing in the morning.
How long does a CRP Blood Test take?
The typical turnaround for a CRP Blood Test is 24 hours from receipt at the Welzo laboratory, Monday to Thursday. However, results may come back faster or slower depending on how busy the Welzo laboratory is and if you have requested any biomarkers that take longer to test for. In this case, results can take up to 5 days.
Are there any special preparations required before taking the CRP Blood Test (e.g., fasting)?
We will let you know via email if there are any special requirements for the CRP Blood Test. However, typically we recommend you take a CRP Blood Test first thing in the morning, fasted.
What is the best time to post my CRP Blood Test?
The best time to return your CRP Blood Test sample is Monday to Thursday, before 14:00 to ensure the product arrives at our lab on time for same-day analysis.
What sample is required for a CRP Blood Test?
The CRP Blood Test requires a capillary blood sample using a SST (Gold microtainer) that is collected from a finger-prick blood sample.
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