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Factor IX, Activity

CPT Code(s): 85250
Specimen Required: Patient Preparation:
Collect:Lt. blue (sodium citrate). Refer to Specimen Handling at reliancediagnosticslab.com for hemostasis/thrombosis specimen handling guidelines.
Specimen Preparation:Transfer 2 mL platelet-poor plasma to an RDL Standard Transport Tube. (Min: 1 mL)
Storage/Transport Temperature:
Stability:Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 2 weeks
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • Antihemophilic Factor B
  • Christmas Factor
  • Coagulation Factor IX Activity Assay, PlasmaIntrinsic Factor ProteinsIntrinsic Factors
  • Plasma Thromboplastin Component
  • PTC
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