Antiphospholipid syndrome classification

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Feham Tariq, MD [2]

• Antiphospholipid syndrome (APS) can be divided into primary and secondary APS.

• Antiphospholipid syndrome (APS) can be divided into primary and secondary APS based on the underlying etiology. In primary APS, no underlying disease in associated with the syndrome. Whereas, secondary APS is associated with an underlying autoimmune disorder.