Erythrocyte Sedimentation Rate (ESR) and CRP – Swift Blood Tests

£115.00

4.9/5 from 131+ verified Google reviews

  • Results: ~3 working days
  • Doctor’s report included
  • Convenient home or clinic sampling
  • Free delivery & returns

Biomarkers

Erythrocyte Sedimentation Rate (ESR), C-Reactive Protein (CRP). These are general markers of inflammation in the body.

Sample collection: A small blood sample is taken (usually EDTA for ESR, serum for CRP) by a finger-prick kit at home or in one of our UK clinics. Our kit includes everything needed; simply return the sample in the pre-paid envelope. Results include a personalised doctor’s interpretation.

Booking details

Age restriction: Adults 18+ only (guardian consent required for minors).

Overview

ESR and CRP are blood tests that detect and monitor inflammation, often from infections, autoimmune diseases, or other conditions. ESR measures how quickly red blood cells settle, while CRP is a protein that rises rapidly with inflammation. Your doctor may order these if you have symptoms like joint pain, fever, or fatigue suggesting inflammatory issues. Swift Blood Tests processes samples rapidly, with results and a doctor’s report typically within a few days.

Key Test Components

Erythrocyte Sedimentation Rate (ESR)

indirect measure of inflammation via red cell settling speed. Elevated ESR indicates possible infection or autoimmune activity.

C-Reactive Protein (CRP)

acute-phase protein produced by the liver. High CRP responds quickly to inflammation, infections, or tissue damage.

Sample Requirements

A venous blood sample is required (specific tubes for each). No fasting needed; drink water normally. Send samples via the next-day laboratory service.

Clinical Uses

Detect inflammation

Raised levels signal infections, rheumatoid arthritis, or polymyalgia rheumatica.

Monitor disease activity

Track response to treatments for chronic inflammatory conditions.

Differentiate causes

CRP rises faster than ESR for acute issues; both help rule out or confirm inflammation.

Screen broadly

Often combined with other tests for comprehensive assessment. These markers provide non-specific but useful indicators of bodily inflammation.

Why You Might Need This Test

You may be advised to take ESR and CRP tests if you have any of the following signs or risk factors: Symptoms of inflammation: joint swelling, persistent fever, unexplained weight loss. Autoimmune suspicions: fatigue, muscle aches, or skin rashes. Monitoring chronic conditions: like arthritis or inflammatory bowel disease. Post-infection check: to ensure resolution. For example, a patient with joint pain might have elevated CRP indicating active inflammation. Your doctor will interpret alongside symptoms and may order imaging or specific tests.

Can’t Find Your Test?

If you can’t find the test you’re looking for, simply give us a call and our support team will guide you to the right option. We’re here to ensure you get the correct test quickly and confidently.

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FAQs

Frequently Asked Questions

What are ESR and CRP tests?

ESR measures red blood cell settling rate, and CRP measures a liver protein, both indicating inflammation.

They’re ordered for symptoms of inflammation, to diagnose or monitor conditions like infections or autoimmune diseases.

No special preparation is usually required. You can eat and drink normally.

A small blood sample is taken from a vein in your arm using a needle. It is quick (often under 5 minutes) and routine. You may feel a brief pinch; afterwards, a bandage is applied. There are minimal risks.

You might experience slight pain or bruising at the needle site, which usually resolves quickly. In rare cases, a small bruise or feeling faint can occur.

 Results are typically available within 2–3 working days. Swift Blood Tests provides a detailed doctor’s report explaining your results. You will be notified by email or phone as agreed.

Yes. Swift Blood Tests offers a convenient home sample collection kit (finger-prick or small tube) with instructions, or you can choose a clinic appointment. Follow the included instructions to collect and return the sample by post.

Diet, medications, dehydration, or recent illness.

Could indicate risks like high cholesterol or vitamin deficiency; doctor will advise next steps.

Intended for adults 18+; consult for minors.

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