Consider IgG Anti cardiolipin antibody abnormal only if >23.8 U/mL
IgM Anti cardiolipin antibody abnormal only if >29.9 U/mL
(99th centile of normal), present on two or more occasions,
at least 12 weeks apart.
Consider IgG B2GP1 abnormal only if >17.7 U/ml
IgM B2GP1 abnormal only if >5.7 U/mL
(99th centile of normal), present on two or more occasions,
at least 12 weeks apart.