ADAMTS13 activity and inhibitor

Alphabetical Test listing

ADAMTS13 activity and inhibitor-994

  
ADAMTS13 activity and inhibitor
  
994
  
LAB994
  
MSO
  
Von Willebrand cleaving protease
Adamts 13 inhibitor
Adamts 13 activity
Metalloprotease
  
Sodium citrate (Na cit) plasma
  
  
2.0 mL
  

Specimen must be drawn prior to replacement therapy

  
  1. Spin down
  2. Remove plasma and spin a second time
  3. Transfer 1.0mL plasma into two (2) Screw cap transfer vial/tubes (Mayo T465)
  4. Freeze specimens immediately at ≤ - 40 °C
  
  

Frozen - 14 days

  
Mayo Clinic Laboratories (ADM13): R-NX
  
Varies
  
4 - 5 days
  

Activity: Fluorescence resonance energy transfer (FRET )

Screen and titer: Mixing studies

  

Activity assay: ≥ 70%

Inhibitor screen: Negative

Bethesda titer: <0.4 BU

  
85397 - Activity

Other CPT codes (if appropriate)
85335 - Inhibitor screen
85335 -Titer
  
07/19/2005
  
02/17/2021