ICD-10-CM > S00-T88 > T36-T50 > T46 > T46.9 > T46.99 T46.99 Poisoning by, adverse effect of and underdosing of other agents primarily affecting the cardiovascular system Non-Billable/Non-Specific Codes T46.991Poisoning by other agents primarily affecting the cardiovascular system, accidental (unintentional)T46.991A..., initial encounterT46.991D..., subsequent encounterT46.991S..., sequelaT46.992Poisoning by other agents primarily affecting the cardiovascular system, intentional self-harmT46.992A..., initial encounterT46.992D..., subsequent encounterT46.992S..., sequelaT46.993Poisoning by other agents primarily affecting the cardiovascular system, assaultT46.993A..., initial encounterT46.993D..., subsequent encounterT46.993S..., sequelaT46.994Poisoning by other agents primarily affecting the cardiovascular system, undeterminedT46.994A..., initial encounterT46.994D..., subsequent encounterT46.994S..., sequelaT46.995Adverse effect of other agents primarily affecting the cardiovascular systemT46.995A..., initial encounterT46.995D..., subsequent encounterT46.995S..., sequelaT46.996Underdosing of other agents primarily affecting the cardiovascular systemT46.996A..., initial encounterT46.996D..., subsequent encounterT46.996S..., sequela