ICD-10-CM > S00-T88 > T51-T65 > T62 > T62.9 > T62.91 T62.91 Toxic effect of unspecified noxious substance eaten as food, accidental (unintentional) Non-Billable/Non-Specific Applicable To Toxic effect of unspecified noxious substance eaten as food NOS Codes T62.91XA..., initial encounterT62.91XD..., subsequent encounterT62.91XS..., sequela