ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.3 > T45.3X > T45.3X1 T45.3X1 Poisoning by enzymes, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by enzymes NOS Codes T45.3X1A..., initial encounterT45.3X1D..., subsequent encounterT45.3X1S..., sequela