AACN offers a range of certifications designed to validate expertise in critical areas of healthcare, focusing on advanced practice, nursing leadership, and clinical specialties. These certifications assess a candidate’s proficiency in patient care, clinical decision-making, and the application of evidence-based practices. Key knowledge areas often include pathophysiology, pharmacology, diagnostic processes, and patient management in complex clinical environments. Candidates typically need to demonstrate a deep understanding of patient-centered care and leadership skills in clinical settings. AACN certifications are widely recognized within healthcare organizations and support career advancement for nurses aiming for roles such as nurse practitioner, clinical nurse specialist, or nurse manager.