Reference Range
Reference Ranges are dependent upon methodology:
ADAMTS13 Activity:
ACUSTAR (primary method): 62-118 IU/dL
ELISA (secondary method, used for confirmatory check of equivocal results): 38-110%
ADAMTS13 inhibitor (IgG):
Neg <12 U/mL
Borderline 12-15 U/mL
Positive >15 U/mL