T47.8X2 - Poisoning by other agents primarily affecting gastrointestinal system, intentional self-harm T47.8 - Poisoning by, adverse effect of and underdosing of other agents primarily affecting gastrointestinal system T47.8X - Poisoning by, adverse effect of and underdosing of other agents primarily affecting gastrointestinal system T47.8X2 - Poisoning by other agents primarily affecting gastrointestinal system, intentional self-harm