The fundamental test for the diagnosis of APS consists of a blood test. The parameters to be studied in the laboratory are anticardiolipin, lupus anticoagulant, and Anti-beta2-glycoprotein-1.
If a positive result is obtained in any of these three tests, it will be necessary to repeat the tests a second time after about 3 months.
Read the full article on: Antiphospholipid Syndrome: Causes, Symptoms & Diagnosis ( 51).