Answer: An above-normal anti-deoxyribonucleic acid (DNA) test
Explanation: Laboratory results specific for SLE include an above-normal anti-DNA test, a positive antinuclear antibody test, and a positive lupus erythematosus cell test. Because the anti-DNA test rarely is positive in other diseases, this test is important in diagnosing SLE. (The anti-DNA antibody level may be depressed in clients who are in remission from SLE.) Decreased total serum complement levels indicate active SLE
