ICD-10-CM > S00-T88 > T36-T50 > T47 > T47.8 > T47.8X > T47.8X1 T47.8X1 Poisoning by other agents primarily affecting gastrointestinal system, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by other agents primarily affecting gastrointestinal system NOS Codes T47.8X1A..., initial encounterT47.8X1D..., subsequent encounterT47.8X1S..., sequela