ICD-10-CM > S00-T88 > T51-T65 > T51 > T51.1 > T51.1X > T51.1X1 T51.1X1 Toxic effect of methanol, accidental (unintentional) Non-Billable/Non-Specific Applicable To Toxic effect of methanol NOS Codes T51.1X1A..., initial encounterT51.1X1D..., subsequent encounterT51.1X1S..., sequela