ADAMTS13 Activity with Reflex to Inhibitor QADM13

Method(s) Immunoassay (IA)
Specimen Required
Collect

One 3 mL light blue (sodium citrate) top tube.

Transport

1 mL frozen plasma (Min: 0.5 mL).

* Collection Instructions *

  • Please submit a separate, frozen vial for each special coagulation assay ordered.
  • Draw blood in a light-blue top tube containing 3.2% sodium citrate, mix gently by inverting 3-4 times.
  • Centrifuge 15 minutes at 1500 g within one hour of collection.
  • Using a plastic pipette, remove plasma, taking care to avoid the WBC/platelet buffy layer and place into a plastic vial.
  • Freeze immediately and transport on dry ice.
Stability

Ambient: Unacceptable

Refrigerated: Unacceptable

Frozen: 21 days

Unacceptable Conditions
  • Gross hemolysis
  • Grossly lipemic
  • Grossly icteric
Schedule Mon-Sat; Report available: 5-7 days
CPTCode 85397
Notes Performing Laboratory-Quest Diagnostics Nichols Institute-San Juan Capistrano, CA
Preferred Specimen Collection Device(s)
Reference Interval
 
ADAMTS13 Activity0.68-1.63 IU/mL
ADAMTS13 InhibitorLess than 0.4 BEU
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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