… aβ2GPI) antibodies are important markers in the diagnosis of the antiphospholipid syndrome.
… We present data submitted to the RCPAQAP antiphospholipid antibody program over a 10-…

… All laboratory assays should also be supported by the performance of internal quality control
(IQC) and EQA. Most kits utilize companion manufacturer IQC material, which can also be …

… to beta2-glycoprotein I in systemic lupus erythematosus and primary antiphospholipid
antibody syndrome: clinical correlations in comparison with other antiphospholipid antibody tests. …

… [55] In a recent LA survey of the ECAT (External quality Control of diagnostic Assays and
Tests) Foundation, over 600 laboratories performed LA screening mostly by dRVVT and aPTT …

… of phospholipid-dependent coagulation tests.[3] [5] Measurement of aCL and aβ2GPI results
in an antibody titer, while LA testing … Imprecision can be assessed by internal quality control …

… information including demographics, antiphospholipid antibodies (aPL)-related medical
history, and aPL tests. Despite efforts at … Antiphospholipid antibody testing and standardization …

… to quality assurance of tests for antiphospholipid antibodies is … quality of analyses, the
laboratory participated annually in an external quality control for antiphospholipid antibodies…

… tests necessary for the diagnosis of antiphospholipid syndrome (APS). For the interpretation
of the results of the tests for antiphospholipid antibodies (… know from external quality control …

… In external quality control exercises and using human monoclonal … Although triple‐positive
patients have a persistently abnormal antibody profile on follow‐up testing after 12 weeks 49 , …

… (CAP) Antiphospholipid Antibody (ACL) proficiency testing survey that evaluates their …
Internal quality control and external quality assurance in testing for antiphospholipid antibodies…