T37.91 - Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional) T37.9 - Poisoning by, adverse effect of and underdosing of unspecified systemic anti-infective and antiparasitics T37.91 - Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional)