Blood Tests for Arthritis What are the blood tests for arthritis? This information offers a general description of some of the blood tests commonly used to diagnose different types of arthritis. For more information about blood tests for arthritis including:- What are blood tests used for? Are all types of arthritis diagnosed by a blood test? Are there other ways to diagnose arthritis? What are the common blood tests for arthritis? Contact the Arthritis Helpline on 1800 011 041 to request your copy or download these resources for further reading: Blood Tests For Arthritis