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Anti-Xa (for Fondaparinux)
Lab code: FOND
Test Synonyms:
Heparin assay (Fondaparinux); Anti-Xa (Fondaparinux)
Inpatient Req:
Coagulation (#70130)  
Outpatient Req:
Coagulation (#70130)  
Blue 3 ml on ice
Deliver specimen ON ICE. For subcutaneously administered low molecular weight heparin (eg. Fragmin or Lovenox), specimens MUST be drawn at exactly 4 hours (+/- 15 minutes) after injection, otherwise falsely low results will be obtained.
Result Time:
Same day   Cost: $
Reference Interval:
Important Information:
The anti-Xa level is used for monitoring patients being treated with Fondaparinux.