ICD-10-CM > S00-T88 > T36-T50 > T42 > T42.3 > T42.3X > T42.3X1 > T42.3X1A T42.3X1A Poisoning by barbiturates, accidental (unintentional), initial encounter Billable/Specific Copy Code Copy Description Applicable To Poisoning by barbiturates NOS