Anti-dsDNA. The anti-double stranded DNA (anti-dsDNA) test is used to help diagnose lupus (systemic lupus erythematosus, SLE) in a person who has a positive result on a test for antinuclear antibody (ANA) and has clinical signs and symptoms that suggest lupus.
Positive ANA test: Lupus is shorthand for a condition called systemic lupus erythematosus (SLE). Its an autoimmune disease that can take years to diagnose because of symptoms that can flare and subside, or masquerade as other illnesses.
Do you have RA? - Rheumatoid arthritis is a serious autoimmune disease that attacks the joints and other body parts. Here are some tricky rheumatoid arthritis symptoms and hints that they’re due to RA and not some other condition.