We conducted separate PubMed database searches for English language articles, utilizing the terms “Antiphospholipid syndrome” and “chorea” (166 results), “Antiphospholipid syndrome” and “dyskinesia” (90 results), “APS” and “chorea” (84 results), “ACL antibodies” and “chorea” (22 results), “anti‐β2‐glycoprotein I antibodies” and “chorea” (3 results), “LAC” and “chorea” (3 results). This evidence concerns the gene LCT and autoimmune polyendocrinopathy.