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Point of Care Testing
Pathology Lab Manual
All Site Content
von Willebrand Factor Cleaving Protease, ADAMTS13
2.7 mL blood collected in two tubes
Volume and Container
Two 2.7 mL light blue top sodium citrate blood tubes
Storage and Transport
Two vials of sodium citrated plasma are stored frozen until ready for transport to BloodCenter of Wisconsin via Mayo Medical Laboratory Rochester
Causes for Rejection
Specimens other than sodium citrated plasma, hemolysis, or thawing
Turn Around Time
5-10 business days from time of collection
Monday-Friday from 8 am- 5 pm, except observed holidays
CPT / HCPCS Code
Severe deficiency of ADAMTS13 (activity <5-10%) is a relatively specific finding in patients with a clinical diagnosis of thrombotic thrombocytopenic purpura (TTP).
BloodCenter of Wisconsin
Test performed Monday-Friday at BloodCenter of Wisconsin
See reference lab report
Limitations and Contraindications
CPOE Test Name
Ref Misc Referral Lab Test, type ADAMTS13 in Test Name REF
Created at 9/8/2014 5:57 PM by Bradshaw, Keir
Last modified at 9/8/2014 5:57 PM by Bradshaw, Keir
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