To highlight the main aspects of the laboratory processing of blood samples from hematological patients in both preanalytical and analytical phases, point out to some interpretation pitfalls. Material and Methods: A retrospective analysis of the routine laboratory results from the large consolidated laboratory with the regard to the diagnosis of hematopoietic disorders.
Results: Preanalytical and analytical phases of testing and interpretation of laboratory findings may be influenced by the patient's hematological/hemato oncological diagnosis. Conclusion: In hematological patients individualized approach to the interpretation of laboratory test results in the closest possible clinical context should be followed.