Factor 13 screen-994

Test info

  
Factor 13 screen
  
994
  
LAB994
  
MSO
  
Factor XIII
Factor XIII-qualitative
Fibrin stabilizing factor
  

This is a screening assay and will detect homozygous deficiency of factor XIII

Specimen

  
Sodium citrate (Na cit) plasma
  
  
1.0 mL
  
1.0 mL
  
  • Blood should be collected in a blue-top tube containing 3.2% buffered sodium citrate.
  • Evacuated collection tubes must be filled to completion to ensure a proper blood-to- anticoagulant ratio.
  • The sample should be mixed immediately by gentle inversion at least six times to ensure adequate mixing of the anticoagulant with the blood.
  
  1. Spin
  2. Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as Na cit plasma
  3. Freeze
  

Frozen (strict)

  
  • Gross hemolysis
  • Clotted specimen
  • Samples thawed in transit

 

Performance

  
LabCorp Burlington (086330): R-NX
  
Daily
  
5 days
  

Clot solubility. The plasma is treated with thrombin to induce clot formation and the clot is transferred to 5 molar urea solution. Clots from individuals with normal factor XIII levels are stable for at least 24 hours while clots from XIII deficient individuals will dissolve rapidly.

Clinical and Interpretive info

  

Normal

Billing

  
85291
  
Result 3241-7

Tracking

  
05/29/2019
  
04/08/2022
  
03/30/2022