Thrombophilia Screening:

 

Antithrombin (Chromogenic assay)

Protein C Activity (Chromogenic Assay) 

Protein S Activity  (Clot based assay)

Free Protein S (Latex Immunoassay)                                                         

 

Blood (plasma)  Collect until indicated mark x 4 tubes

Deliver tubes immediately to the laboratory at room temperature

OR Separate plasma from cells as soon as possible.

Store frozen at -40°C  and transport frozen plasma on dried ice

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