Introduction Laboratory testing is vital in Systemic Lupus Erythematosus (SLE) because this autoimmune disease mimics many other conditions and presents differently in every patient. Because there is no single "lupus test," clinicians rely on blood and urine panels—such as Antinuclear Antibodies (ANA) and anti-dsDNA—to detect specific autoantibodies and assess organ involvement. However, laboratory data alone cannot confirm a diagnosis. A…