what blood tests are specific for lupus
Anti-dsDNA. 1  What it is: Anti-dsDNA is a protein directed against double-stranded DNA. 2  DNA is the material that makes up the body's genetic code. 3  Why the test is used: Between 75% and 90% of people with lupus have a positive anti-dsDNA test. 4  Also, the test is very specific for lupus.