The systemic Lupus Erythematosus (LE) cell test is a screening procedure used to identify this chronic autoimmune illness. The test is conducted when lupus symptoms start to manifest. While they can vary, the most typical symptom is the development of a very distinct rash that spreads across the nose and cheeks and has the look of a butterfly. In the case of systemic lupus, a number of additional conditions—such as joint and muscle pain, exhaustion, Raynaud's phenomenon, etc.—appear in conjunction