The lupus anticoagulant titer is associated with elevated antiphosphatidylserine/prothrombin immunoglobulin-M isotype antibody levels.
Abdulrahman SaadallaDong ChenMelissa StuartRajiv K PruthiNahla HeikalMelissa SnyderAneel AshraniJansen SeheultPublished in: International journal of laboratory hematology (2024)
The degree of prolongation of the APTT/DRVVT screening time is not correlated with the LAC titer. Only aPS/PT IgM antibodies levels were strongly correlated with the LAC titers. Additional studies are warranted to determine clinical implications of high LAC titers.