Applicants for the Low Risk Neonatal Nurse Exam must be current Registered Nurses with licensure in the United States or Canada. Additionally, you must have 24 months of specialty experience as a Registered Nurse in the United States or Canada. This time must include at least 2,000 hours of specialty experience, which can include education, administrative work, research, or direct patient care. Minimum hours and practice time are both required criteria for the LRNN exam.