ICD-10-CM > S00-T88 > T51-T65 > T59 > T59.2 > T59.2X > T59.2X3 T59.2X3 Toxic effect of formaldehyde, assault Non-Billable/Non-Specific Codes T59.2X3A..., initial encounterT59.2X3D..., subsequent encounterT59.2X3S..., sequela