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. 2012 Feb 22;10(3):311–320. doi: 10.2450/2012.0075-11

Table I.

Definitions of causal codes applicable to errors investigated in this study4,6,7.

Code Category Definition
HRI Intervention Errors due to erroneous task planning and/or performance
HRV Verification Errors due to inaccurate or incomplete situation assessment
HSS Slip Errors in high skill performance
HRC Coordination Inadequate task coordination within the team
OP Protocols/procedures Inadequate protocol quality and/or availability at blood establishment (too complicated, inaccurate, unrealistic, lacking or poorly presented)
OK Transfer of knowledge Inappropriate implementation of measures ensuring transfer of knowledge or information to new or inexperienced personnel
TD Technical design Inappropriate design of material, equipment or software