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Test ID BLOD5040 Heparin Anti-Xa

Important Note

This assay should not be used for measuring Rivaroxiban or Apixaban.  See specific assays for these medications.

AKA

Heparin Xa, Xa

Specimen Type/Requirements

Blue top (3.2% Sodium Citrate) tube - Plasma 

 

Specimen must be double spun if sample will be frozen.

Specimen Volume

 Preferred Volume     1.0 mL   
 Minimum Volume     0.5 mL   

 

Stability/Transport

 Room Temperature     1 hour  
 Refrigerated     Not Acceptable     
 Frozen     2 weeks     Preferred for transport   

 

Performed Test Frequency

Monday through Sunday

Methodology

Chromogenic

Performing Lab

Sanford Laboratories Bismarck

CPT

85520