ICD-10-CM > S00-T88 > T36-T50 > T46 > T46.4 > T46.4X T46.4X Poisoning by, adverse effect of and underdosing of angiotensin-converting-enzyme inhibitors Non-Billable/Non-Specific Codes T46.4X1Poisoning by angiotensin-converting-enzyme inhibitors, accidental (unintentional)T46.4X1A..., initial encounterT46.4X1D..., subsequent encounterT46.4X1S..., sequelaT46.4X2Poisoning by angiotensin-converting-enzyme inhibitors, intentional self-harmT46.4X2A..., initial encounterT46.4X2D..., subsequent encounterT46.4X2S..., sequelaT46.4X3Poisoning by angiotensin-converting-enzyme inhibitors, assaultT46.4X3A..., initial encounterT46.4X3D..., subsequent encounterT46.4X3S..., sequelaT46.4X4Poisoning by angiotensin-converting-enzyme inhibitors, undeterminedT46.4X4A..., initial encounterT46.4X4D..., subsequent encounterT46.4X4S..., sequelaT46.4X5Adverse effect of angiotensin-converting-enzyme inhibitorsT46.4X5A..., initial encounterT46.4X5D..., subsequent encounterT46.4X5S..., sequelaT46.4X6Underdosing of angiotensin-converting-enzyme inhibitorsT46.4X6A..., initial encounterT46.4X6D..., subsequent encounterT46.4X6S..., sequela