ICD-10-CM > S00-T88 > T51-T65 > T54 > T54.2 > T54.2X > T54.2X3 T54.2X3 Toxic effect of corrosive acids and acid-like substances, assault Non-Billable/Non-Specific Codes T54.2X3A..., initial encounterT54.2X3D..., subsequent encounterT54.2X3S..., sequela