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Natural Killer Cell Enumeration by Flow Cytometry

Mnemonic:    [NK Enumeration]
Name:    Natural Killer Cell Enumeration by Flow Cytometry
Specimen:    4 mL whole blood from a Lavender top tube.
Minimum Spec:    0.5 mL
Transport Temp:    Store and transport sample at Room Temperature.
Spec Stability:    Stable 3 days ambient.
Ref Lab/Code:    ARUP 0092404
  Method:    Flow Cytometry
Note:    The results reported are the percentage of lymphocytes that are Natural killer (NK) cells and the absolute count of NK cells per uL of blood. Only those cells that express CD45 and either CD16 or CD56 (or both) but not CD3 or CD19 are reported.