A fundamental problem with classifying agriculturally related injury is that there is neither a rational nor a comprehensive scheme for grouping incidents into categories describing actual exposures encountered on farms and in agricultural work. Current surveillance systems are unable to differentiate between work that is related to farm production and work that is not, and to include all exposed persons in the surveillance. The proposed Farm and Agricultural Injury Classification Code is a step toward overcoming these problems. When it was applied to previously analyzed fatality data, 40% of cases previously identified as farm production work were reclassified into other categories.