T59.0X - Toxic effect of nitrogen oxides T59.0 - Toxic effect of nitrogen oxides T59.0X - Toxic effect of nitrogen oxides T59.0X1 - Toxic effect of nitrogen oxides, accidental (unintentional) T59.0X2 - Toxic effect of nitrogen oxides, intentional self-harm T59.0X3 - Toxic effect of nitrogen oxides, assault T59.0X4 - Toxic effect of nitrogen oxides, undetermined