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[Attention deficit/hyperactivity. Diagnostic criteria and classification]
Summary
Diagnostic criteria for attention deficit/hyperactivity disorder (ADHD) have converged between ICD-10 and DSM-IV, though subtype classifications differ. Researchers should note changes in criteria for accurate interpretation of studies.
Area of Science:
- Psychiatry
- Neurodevelopmental Disorders
Context:
- Diagnostic criteria for Attention Deficit/Hyperactivity Disorder (ADHD) have historically presented challenges in classification.
- Recent diagnostic systems, including ICD-10 and DSM-IV, show significant convergence.
Purpose:
- To compare the most recent diagnostic systems for ADHD.
- To evaluate the convergence and overlap of current diagnostic criteria.
- To provide recommendations for clinical practice and research.
Summary:
- ICD-10 clinical criteria remain descriptive, while DCR-10 (ICD-10 research criteria) and DSM-IV utilize operational criteria.
- Symptom lists and core criteria in DCR-10 and DSM-IV are nearly identical.
- Subtype classifications differ substantially between DCR-10 and DSM-IV, with no single system recommended.
- For clinical practice and research, fulfilling DCR-10's "disturbance of activity and attention" (F90.0) or DSM-IV's "ADHD, combined type" (314.01) is advised.
- Significant differences exist between historical and current diagnostic criteria, necessitating careful consideration when interpreting past research.
Impact:
- Facilitates more consistent ADHD diagnosis and classification across different systems.
- Improves the comparability of research findings by highlighting convergence and divergence in diagnostic criteria.
- Guides clinicians and researchers in applying current, standardized criteria for ADHD assessment and study.
- Emphasizes the need to account for evolving diagnostic standards when reviewing historical ADHD research data.