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A member asked:
What is apca blood test when checking for ra? my sed rate rheu factor and c reactive protein are all normal. i have stiff fingers and swollen tendons like trigger fingers in am.
5 doctors weighed in across 2 answers
Not know abbreviatio: There are a variety of tests we use. I do not know that abbreviation but ccp or cyclic citruilline antibodies are also tested. It is found in about 60 % of people with RA and is sometimes found in other conditions.
Answered 6/10/2014
5.7k views
Best RA test: Anti-citrullinated protein antibody. Probably my typographical error -- acpa is considered by many to be more sensitive and more specific for rheumatoid arthritis than any of the old classic tests you have listed. So is anti-cyclic citrullinated protein. Your physician is familiar with these. Good luck.
Answered 7/22/2012
5.7k views
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