T59.2X - Toxic effect of formaldehyde T59.2 - Toxic effect of formaldehyde T59.2X - Toxic effect of formaldehyde T59.2X1 - Toxic effect of formaldehyde, accidental (unintentional) T59.2X2 - Toxic effect of formaldehyde, intentional self-harm T59.2X3 - Toxic effect of formaldehyde, assault T59.2X4 - Toxic effect of formaldehyde, undetermined