PH50-PH56 block
Exposure to or harmful effects of undetermined intent of substances chiefly nonmedicinal as to source
7 subordinate codes
PH50Exposure to or harmful effects of undetermined intent of alcoholsPH51Exposure to or harmful effects of undetermined intent of organic solventsPH52Exposure to or harmful effects of undetermined intent of carbon monoxidePH53Exposure to or harmful effects of undetermined intent of pesticidesPH54Exposure to or harmful effects of undetermined intent of corrosive substancesPH55Exposure to or harmful effects of undetermined intent of halogen derivatives of aliphatic or aromatic hydrocarbonsPH56Exposure to or harmful effects of undetermined intent of other or unspecified substances chiefly nonmedicinal as to source