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LABORATORY TEST DIRECTORY

Heparin Anti-Xa, Unfractionated

CPT Code(s): 85520
Specimen Required: Patient Preparation:
Collect:Lt. blue (sodium citrate). Refer to Specimen Handling at reliancediagnosticslab.com for hemostasis/thrombosis specimen handling guidelines.
Specimen Preparation:Centrifuge specimen within one hour of collection. Transport 2 mL platelet-poor plasma. (Min: 1 mL)
Storage/Transport Temperature:Frozen.
Stability:After separation from cells: Ambient: 4 hours; Refrigerated: 8 hours; Frozen: 1 month
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • Anti-10aAnti-Xa
  • Heparin Anti-Xa Assay
  • Heparin Anti-Xa Assay, Plasma
  • Unfractionated Heparin Assay