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Laboratory Test Directory

VWF Cleaving Protease/ ADAMTS13 Eval.(Activity Inhibitory) (Updated)

Components

Name Method Department Units
ADAMTS13 Activity with Reflex Mass spectrometry
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Battery Members

ADAMTS13 Activity, ADAMTS13 Inhibitor

Specimen Requirements

Reasons for Rejection

  • Wrong collection tube
  • Clotted specimen
  • Over or under filled tube

Comments

The inhibitor titer is not performed if the Activity is normal. When collecting the whole blood please refer to the collection instructions provided with the tubes. The samples must be filled to the appropriate line, that is above the minimum fill line and below the maximum fill line, for the test to be viable. When sending frozen plasma centrifuge for platelet poor plasma within 2 hours. Remove platelet-poor plasma and freeze.

CPT Code

  • 85397
  • 85335