Root Cause Code - XRoot Cause description "Contributing factor beyond anyones control"
X refers to failures that cannot be classified in any of the current categories (unclassifiable).
In this example, the fact that the patients name had an unusual spelling is clearly beyond anyones control and is unclassifiable
Root Cause Code - HEXRoot Cause description "Human factor external to the transfusion service"
HEX root causes refer to human failures originating beyond the control and responsibility of the investigating organization.
In this example, the fact that the review protocol was not followed successfully by the phlebotomist indicated a problem outside the scope of the transfusion services responsibility.
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