ICD-10-CM > S00-T88 > T36-T50 > T47 > T47.8 > T47.8X T47.8X Poisoning by, adverse effect of and underdosing of other agents primarily affecting gastrointestinal system Non-Billable/Non-Specific Codes T47.8X1Poisoning by other agents primarily affecting gastrointestinal system, accidental (unintentional)T47.8X1A..., initial encounterT47.8X1D..., subsequent encounterT47.8X1S..., sequelaT47.8X2Poisoning by other agents primarily affecting gastrointestinal system, intentional self-harmT47.8X2A..., initial encounterT47.8X2D..., subsequent encounterT47.8X2S..., sequelaT47.8X3Poisoning by other agents primarily affecting gastrointestinal system, assaultT47.8X3A..., initial encounterT47.8X3D..., subsequent encounterT47.8X3S..., sequelaT47.8X4Poisoning by other agents primarily affecting gastrointestinal system, undeterminedT47.8X4A..., initial encounterT47.8X4D..., subsequent encounterT47.8X4S..., sequelaT47.8X5Adverse effect of other agents primarily affecting gastrointestinal systemT47.8X5A..., initial encounterT47.8X5D..., subsequent encounterT47.8X5S..., sequelaT47.8X6Underdosing of other agents primarily affecting gastrointestinal systemT47.8X6A..., initial encounterT47.8X6D..., subsequent encounterT47.8X6S..., sequela