The quintessential guide to nursing diagnoses from NANDA-I experts ? now fully updated in the new 13th Edition. NANDA International Nursing Diagnoses: Definitions and Classification, 2024?2026, 13th Edition is the definitive resource for nursing diagnoses, reviewed and approved by the NANDA International (NANDA-I) Diagnosis Development Committee (DDC). Fully updated and revised by editors T. Heather Herdman, Shigemi Kamitsuru, and Camila Tak?o Lopes, this landmark edition provides expanded insights into diagnosis development, clinical assessment, and evidence-based nursing practice. This new edition offers a deeper discussion on diagnostic reasoning and its connection to assessment using Kamitsuru?s Tripartite Model of Nursing Practice, helping differentiate between: Interdependent interventions based on medical and organizational standards of care Autonomous nursing interventions based on nursing standards of care Functional Health Patterns are utilized as an assessment framework to support nurses in collecting relevant patient data and improving diagnostic accuracy.