ICD-10-CM > S00-T88 > T36-T50 > T42 > T42.0 > T42.0X > T42.0X1 > T42.0X1A T42.0X1A Poisoning by hydantoin derivatives, accidental (unintentional), initial encounter Billable/Specific Copy Code Copy Description Applicable To Poisoning by hydantoin derivatives NOS