ICD-10-CM > S00-T88 > T51-T65 > T54 > T54.2 > T54.2X > T54.2X1 T54.2X1 Toxic effect of corrosive acids and acid-like substances, accidental (unintentional) Non-Billable/Non-Specific Applicable To Toxic effects of corrosive acids and acid-like substances NOS Codes T54.2X1A..., initial encounterT54.2X1D..., subsequent encounterT54.2X1S..., sequela