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High Molecular Weight Kininogen (HMWK)

CPT Code(s): 85293
Specimen Required: Patient Preparation:Do not draw from an arm with a heparin lock or heparinized catheter.
Collect:Lt. blue (sodium citrate).
Specimen Preparation:Transfer 2 mL plasma to an RDL Standard Transport Tube. (Min: 1 mL)
Storage/Transport Temperature:Frozen.
Stability:After separation from cells: Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: at -20°C: 2 weeks; Frozen at -70°C: 1 year
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • Fitzgerald Factor
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