F8 and autoimmune hemolytic anemia: The results of the patient’s laboratory evaluation revealed a prolonged activated partial thromboplastin time (aPTT; 119 s; reference range 25.0–36.0 s), and FVIII:C of 2% in the presence of a high-titer FVIII inhibitor of 102 Bethesda units (BU)/ml confirmed the diagnosis of AHA.