This special report accentuates what appears to be a fundamental conflict of purpose in the classification of diseases and injuries. The main interest of biometricians in classification lies in statistical summarizations based on diagnoses made either during life or after death from a wide variety of sources. For them disease or death lists are desirable which will allow ready grouping and from which conclusions of material statistical significance can be drawn regarding the incidence of disease, the causes of death and other information based on mass compilations. The clinician, on the other hand, wishes a classification of disease which will allow accuracy, completeness, and reasonable uniformity; it should be acknowledged that the individual clinician's diagnosis provides the source from which the biometrician works.
The Provisional Classification of Diseases and Injuries under discussion does not appear to recognize these issues clearly. It has drawn extensively from the International List of Causes