Fully updated and revised by editors T. Heather Herdman, Shigemi Kamitsuru, and Camila Takáo Lopes, NANDA International Nursing Diagnoses: Definitions and Classification, 2021-2023, 12th Edition is the definitive guide to nursing diagnoses, as reviewed and approved by the NANDA International (NANDA-I) Diagnosis Development Committee (DDC). In this new edition of a seminal text, the editors have revised all introductory chapters, providing critical information needed for nurses to understand assessment, its link to diagnosis and clinical reasoning, and the purpose and use of taxonomic structure for nurses at the bedside. Researchers will also find new recommendations to improve the terminology.