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Monday, April 2, 2018

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A good check to see if your Complete Blood Counts on your patient results are valid is the 

    “RULE OF THREE”


Rule #1  Hgb X 3 = Hct +/-2 

Rule #2 RBC x 3.3 = Hgb +/- 1.5

 Rule #3 RBC x 9 = Hct +/3



Note : The laboratory must verify calibration on the instrument every 6 months or on an “as needed” basis to ensure accuracy of the system.

Source Hematology
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