Hargraves cell test, also known as LE cell test, is a type of paraclinical test used for people with suspected symptoms of systemic lupus erythematosus to accurately diagnose this disease.

Lupus is an autoimmune disease that causes inflammation and damage to many organs in the body, such as the skin, kidneys, heart, lungs, joints, blood cells, and brain. Lupus even increases the risk of miscarriage and stillbirth in pregnant women.