CRP Test (C Reactive Protein Test)
- Category
- Inflammation
- Sample
- Blood sample taken from a vein in your arm
- Reports () Terms & Conditions Report time varies with time of sample collection.
- In 2 days
- Fasting
- No Fasting
- Age
- 5+ Years
What Is This Test?
Measures C-reactive protein (CRP), made by the liver when there is inflammation or infection in the body.
Why this test is performed?
Helps detect and monitor infections (especially bacterial), inflammatory conditions like arthritis, and response to treatment. CRP rises and falls faster than ESR.
Who should take this test?
Fever, infection, joint pain or inflammatory conditions, and to monitor treatment.
Test Preparation
No fasting needed.
Medical disclaimer · for information only, not medical advice
This article is for general information and education only. It is not medical advice, does not create a doctor–patient relationship, and is not a substitute for consultation with a qualified doctor who has assessed your individual situation. Never delay seeking medical advice because of something you have read here.
In a medical emergency, call 112, or 108 for an ambulance where that service operates, or go to your nearest emergency department. If you are in mental health distress, Tele-MANAS is free and available 24×7 on 14416.
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- Report time: In 2 days
- No fasting
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Frequently asked questions
Values above 10 mg/L usually mean active infection or inflammation; very high values often suggest bacterial infection.
No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Blood sample taken from a vein in your arm.
Usually within 11–35 hours after the sample reaches the lab. You will receive the report online.
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