ICD-10-CM > S00-T88 > T36-T50 > T47 > T47.0 T47.0 Poisoning by, adverse effect of and underdosing of histamine H2-receptor blockers Non-Billable/Non-Specific Codes T47.0XPoisoning by, adverse effect of and underdosing of histamine H2-receptor blockersT47.0X1Poisoning by histamine H2-receptor blockers, accidental (unintentional)T47.0X1A..., initial encounterT47.0X1D..., subsequent encounterT47.0X1S..., sequelaT47.0X2Poisoning by histamine H2-receptor blockers, intentional self-harmT47.0X2A..., initial encounterT47.0X2D..., subsequent encounterT47.0X2S..., sequelaT47.0X3Poisoning by histamine H2-receptor blockers, assaultT47.0X3A..., initial encounterT47.0X3D..., subsequent encounterT47.0X3S..., sequelaT47.0X4Poisoning by histamine H2-receptor blockers, undeterminedT47.0X4A..., initial encounterT47.0X4D..., subsequent encounterT47.0X4S..., sequelaT47.0X5Adverse effect of histamine H2-receptor blockersT47.0X5A..., initial encounterT47.0X5D..., subsequent encounterT47.0X5S..., sequelaT47.0X6Underdosing of histamine H2-receptor blockersT47.0X6A..., initial encounterT47.0X6D..., subsequent encounterT47.0X6S..., sequela