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C-Reactive Protein (CRP) Quantitative Blood Test

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C-reactive protein (CRP) is produced when your body experiences inflammation. This test measures the amounts of CRP in your blood.

What is this test?

C-Reactive Protein Quantitative Blood Test works by collecting a blood sample and measuring levels of CRP. These levels increase due to inflammation, and can be used to detect systemic infections or to monitor cardiovascular health. Testing for CRP in the blood can also help detect or rule out certain autoimmune disorders.

$15

+$15 service fee

Price does not include the Physician Service Fee ($6) and the Lab Collection Fee ($9). These non-refundable fees cover the ordering and oversight of lab tests and follow-up services when appropriate.

Next availability

Provided by Quest Diagnostics

Quest test codes:
4420

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Frequently asked questions

CRP is produced by the liver, but abnormal levels of the protein are associated with inflammation, heart attack, and stroke. The CRP Quantitative Blood Test can also be used to screen for inflammation due to infection, and is often ordered in conjunction with other heart health tests. Oral contraceptives, menstruation, and pregnancy may affect CRP levels, so women may need to discuss the best time to take this test with their provider. There are no fasting requirements for this test.

Your provider may order a C-Reactive Protein Quantitative Blood Test to diagnose heart disease or stroke, or determine if inflammation is present. It can also be used to monitor treatment for inflammatory diseases or infection, and whether or not your levels of CRP decrease with certain medications. 

Your provider may wish to order a C-Reactive Protein Quantitative Blood Test if you have a history of heart disease or stroke in your family, even if you have not exhibited symptoms of either. It's a way for your provider to help you set a baseline for your health and monitor changes over time. 

You cannot take this C-Reactive Protein Quantitative Blood Test at home — this test can only be administered by a medical professional at a licensed testing facility. 

Once you receive the results of your blood test for CRP, you will need to consult with your provider. Only a medical professional can advise you on your CRP levels and help you develop a treatment plan if necessary. 

Pregnancy and menstruation may make CRP levels higher than normal. Let your provider know if you take any hormone-based contraceptives, which may also impact CRP levels. CRP generally increases a little with age. 

There are no special requirements for the C-Reactive Protein Quantitative Blood Test. Your provider will draw a blood sample from a vein in your arm. C-Reactive Protein Quantitative Blood Test results typically take 3-5 business days to process. 

The cost of a C-Reactive Protein Quantitative Blood Test listed on Tripment Health is transparent and final — you will never be asked to pay additional fees at the testing facility, or receive a surprise bill down the road. 

Tripment Health has partnered with nearly 7,000 lab test facilities across 48 states. Finding a C-Reactive Protein Quantitative Blood Test, current procedural technology (cpt) code 4420, is easier than ever. Add the lab tests you need to your cart, then select a testing facility conveniently close to you.