Abstract
Complete blood count (CBC) including the automated differential white blood cell count (WBC differential) represent a routine laboratory test. The time interval between sample collection and testing (sample stability) may have an important effect on the quality of test results.
The aim of this study was to analyse changes in CBC (including new advanced parameters) and WBC differential performed both by a haematology analyser and microscopic examination at different storage temperatures over time, including qualitative morphological changes.