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C-Reactive Protein (CRP) Blood Test

Inflammation

Experiencing fever, joint discomfort, or suspected infection and want to assess your body's inflammatory response and immune system activity?

The CRP Blood Test measures C-reactive protein, which rises in the blood with inflammation. High CRP levels can suggest infection, injury, or chronic inflammatory conditions, while lower levels are linked with healthier immune and heart function.

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So how does it work?

Bloody Good is a single portal for ordering, tracking, and reviewing on-demand health testing. Get started with three simple steps:

1
Book your test

Book your test

Choose the testing that suits your goals. After ordering, you will receive your referral by email.

2
Collect your samples

Collect your samples

Have your sample collected at one of our 4000+ partner collection centres.

3
View your results

View your results

View your lab results and receive a personalised review from the secure Bloody Good platform.

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Overview

The CRP Blood Test measures C-reactive protein, which rises in the blood with inflammation. High CRP levels can suggest infection, injury, or chronic inflammatory conditions, while lower levels are linked with healthier immune and heart function.

Think of the CRP test as your body's inflammation detector – it measures a special protein that acts like an internal alarm system, alerting you when something's not quite right. When your body encounters an infection, injury, or other threat, your liver quickly produces C-reactive protein (CRP) as part of your immune system's response, much like how a smoke detector sounds when it senses danger.

This simple blood test reveals whether inflammation is present in your body and how active it might be. Elevated CRP levels can indicate anything from a common infection to chronic conditions like arthritis or autoimmune diseases, while normal levels suggest your body isn't currently fighting any significant inflammatory battles. Whether you're experiencing unexplained symptoms like persistent fatigue or joint pain, monitoring a known inflammatory condition, or recovering from surgery, the CRP test gives you and your healthcare provider valuable insight into what's happening beneath the surface, helping guide treatment decisions and track your progress toward better health.

Reviewed by Dr. Vu Tran
Bloody Good’s Chief Medical Officer

You may benefit from the C-Reactive Protein (CRP) Blood Test

Essential for individuals with inflammatory symptoms, infection concerns, autoimmune conditions, or anyone needing comprehensive inflammation and immune assessment.

Chest pain or tightness Joint pain in multiple locations Joints that feel warm to touch Chronic inflammation markers on blood tests

How to prepare

No special preparation required. Inform healthcare provider of recent illness, medications, and any factors that might affect CRP levels or interpretation.

Understanding results

Results show CRP levels compared to normal ranges. Elevated levels may indicate inflammation requiring further evaluation and appropriate treatment.

After the test

Address elevated CRP through treatment of underlying infections or inflammatory conditions, anti-inflammatory medications if appropriate, and lifestyle modifications. Work with specialists for complex inflammatory disorders.

Frequently Asked Questions

  • CRP is a protein produced by the liver during inflammation, serving as a general marker for infection, inflammatory diseases, or tissue damage.
  • Causes include infections, autoimmune diseases, inflammatory conditions, tissue injury, surgery, and certain chronic diseases affecting inflammation.
  • Symptoms may include fever, joint pain, swelling, fatigue, and other signs depending on the location and cause of inflammation.
  • Treatment focuses on addressing the underlying cause, which may include antibiotics for infections or anti-inflammatory medications for inflammatory conditions.
  • CRP rises rapidly within hours of inflammation onset and typically decreases quickly when inflammation resolves with appropriate treatment.
  • High-sensitivity CRP can detect lower levels of inflammation and is often used for cardiovascular risk assessment.

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Frequently Asked Questions

Find answers to common questions about our products and services.

Most collection centres accept walk-ins. Some may require a booking - check details when you click on your chosen location.

If your test needs fasting, we’ll include that in your instructions after you order. Fasting usually means no food for 8–12 hours, but water is fine.

Just your pathology referral form (we email it to you)

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They’re the highly trained professionals who take your blood sample - with a steady hand and a sharp needle. They love blood, but don’t worry… they’re not vampires. Just legends who make blood tests quick, clean, and (almost) painless.

Some of our tests include Urine, Stool, Saliva and more. Each test will have a clear description on what sample you will need to give and instructions on how.

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