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Real members of myRAteam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.
A myRAteam Member asked a question 💭
Baton Rouge, LA
July 20, 2025
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Does rheumatoid arthritis affect blood test results?

Yes, RA can affect various blood markers. Blood tests are actually a key part of diagnosing and monitoring RA. The main blood tests used include:

• Rheumatoid Factor (RF) Test
• Anti-CCP Test
• Erythrocyte Sedimentation Rate (ESR)
• Antinuclear Antibody (ANA) Test When Show Full Answer

Does rheumatoid arthritis affect blood test results?

Yes, RA can affect various blood markers. Blood tests are actually a key part of diagnosing and monitoring RA. The main blood tests used include:

• Rheumatoid Factor (RF) Test
• Anti-CCP Test
• Erythrocyte Sedimentation Rate (ESR)
• Antinuclear Antibody (ANA) Test When RA is active, it causes inflammation in the body which can affect blood test results. The inflammation releases substances called pro-inflammatory cytokines that can attack healthy tissues. This inflammation can be measured through blood tests.

It's important to note that some people with RA may have normal blood test results, known as seronegative RA. Regular blood monitoring helps track disease activity and treatment effectiveness.

July 20, 2025

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