T42: Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
T42.3: Poisoning by, adverse effect of and underdosing of barbiturates

excludes1
poisoning by, adverse effect of and underdosing of thiobarbiturates (T41.1-)
T42.3X: Poisoning by, adverse effect of and underdosing of barbiturates

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