[The computerization of a central hematology and immunology laboratory (author's transl)].

The authors describe in this paper the considerations which led to the installation of a computer in an hematology laboratory. The different functions of the system are analyzed. Reception and identification of samples, codes for patients and analysis, print out of working lists, print out of results and monitoring of archives. A new system for differential counts is also described. Advantages of the system are discussed.