Principles and procedure of determining criteria for smear review following automated complete blood count and leukocyte differential count

The history of automated blood cell analysis and current situation regarding the peripheral blood smear review following automated complete blood count(CBC) and leukocyte differential count(LDC) was introduced. Principles and procedure of determining criteria for blood smear review in clinical laboratory was elucidated in combination with 41 consensus rules for the review of automated CBC and LDC proposed by the International Consensus Group for blood smear review. Key words: Blood cell count;  Hematologic tests;  Specimen handling;  Reference standards;  Professional review organizations