T46.991 - Poisoning by other agents primarily affecting the cardiovascular system, accidental (unintentional) T46.9 - Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily affecting the cardiovascular system T46.99 - Poisoning by, adverse effect of and underdosing of other agents primarily affecting the cardiovascular system T46.991 - Poisoning by other agents primarily affecting the cardiovascular system, accidental (unintentional)