T43.1X4 - Poisoning by monoamine-oxidase-inhibitor antidepressants, undetermined T43.1 - Poisoning by, adverse effect of and underdosing of monoamine-oxidase-inhibitor antidepressants T43.1X - Poisoning by, adverse effect of and underdosing of monoamine-oxidase-inhibitor antidepressants T43.1X4 - Poisoning by monoamine-oxidase-inhibitor antidepressants, undetermined