To thrive as a Stop Loss RN, you need in-depth clinical nursing experience, a strong understanding of insurance policies and claims, and RN licensure. Familiarity with medical claims adjudication systems, electronic health records, and utilization review platforms is typically required. Excellent communication, critical thinking, and attention to detail set top performers apart in this role. These skills are important to effectively review complex medical cases, ensure appropriate healthcare coverage, and collaborate with both providers and insurers.