C-reactive protein
Laboratory Tests
≈ ¥20-50
(≈ $3-7)
15 min
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Description
Estimated cost for C-reactive protein at general public hospitals in China is about ¥15-40, and at Grade 3A hospitals about ¥20-50, varying by hospital tier and region.
Main Uses
C-reactive protein testing is primarily used to detect inflammation in the body, which can help diagnose or monitor conditions such as infections, inflammatory diseases, and cardiovascular risk. It is also used to assess the effectiveness of treatments for these conditions.
Normal Range
The normal range for C-reactive protein (CRP) is typically less than 1.0 mg/L, although some laboratories may use a slightly different upper limit, such as 3.0 mg/L or 5.0 mg/L.
Low Values - Possible Causes
C-reactive protein levels are generally not a concern when low. However, consistently very low levels might be observed in individuals with liver failure, as the liver produces CRP, or in rare genetic conditions affecting the immune system.
High Values - Possible Causes
High C-reactive protein levels can be caused by bacterial infections, inflammatory diseases like rheumatoid arthritis, cardiovascular diseases, certain cancers, and autoimmune disorders. It can also increase after surgery or trauma.