VWF Cleaving Protease (ADAMTS13)

Light Blue Top Tube

Tube Type

Test ID   LAB5317
CPT Code(s)   85397, 85335(if indicated)
Group/Individual Test   Group
Laboratory   Special Coagulation
Tube Station   30
Specimen Routine: 3.0 mL blood/light blue top tube;  see important Comments
  Micro: NA
Availability Routine: weekly
Turnaround Time   2 weeks
Internal Reference Testing & Specimen Handling Instructions Platelet poor plasma (double spun). Aliquot and freeze within 4 hours.
Reference Range Normal: Activity >79 %
Comments Deliver to the Laboratory Immediately. ADAMTS 13 Inhibitor will reflex with ADAMTS 13 Activity <=20%.

Reviewed by Christopher Parker on November 16, 2021

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514