T53.91 - Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional) T53.9 - Toxic effects of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons T53.91 - Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional)