Additional Info:
Testing begins with ADAMTS13 activity assay. If the ADAMTS13 activity is <30%, an inhibitor screen will be performed to look for specific ADAMTS13 inhibition. If specific inhibition is apparent, the titer of the inhibitor will be determined.
CPT Code:
85397 and (85335x2 if appropriate)
Panel Includes:
CPT code 85397 (activity assay)
CPT code 85335 (Inhibitor Screen assay, if appropriate)
CPT code 85335 (Bethesda titer, if appropriate)