ADAMTS13 Activity and Inhibitor Profile

Laboratory:Hematology

Test ID/Workstation: ADM13 MAYO

Specimen Type: Blood

Tube Type: Light Blue (Sodium citrate) tube

Collection Volume: 5.0 mL

Storage: Frozen

Availability: Sent to Reference Laboratory

Methodology: ADMFX/61211: Fluorescent Resonance Energy Transfer (FRET)
ADMIS/61213, ADMBU/61214: Mixing Studies

Special Instructions: If collected at an offsite location, send by a STAT Courier to Hospital lab.


Lab/Phone: 330-543-8418

TAT: 24 hours to 3 days

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)

Requisition Form
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