The guidebook serves two primary roles for the practitioner:
: Detailing why the manual moved away from the multiaxial system (the former Axes I-V) to a single-axis format.
The , authored by Donald W. Black, M.D. and Jon E. Grant, M.D. , is a professional resource designed to bridge the gap between the older DSM-IV-TR and the reorganized DSM-5. It is intended for psychiatrists, psychologists, and other mental health professionals as a practical, "down-to-earth" roadmap for implementing new diagnostic standards. Core Purpose and Functions
: Extensive coverage of the integration of dimensional measures, helping clinicians assess the severity and variation of symptoms beyond a simple "yes/no" diagnosis.
: Acts as a day-to-day guide for busy clinicians on coding, documentation, and the application of new diagnostic criteria.