Narrow diagnostic categories produce high comorbidity and heavy not-otherwise-specified use.

Evidence

Structural problems rooted in the basic design of the previous DSM classification, constructed of a large number of narrow diagnostic categories, have emerged in both clinical practice and research. Relevant evidence comes from diverse sources, including studies of comorbidity and the substantial need for not otherwise specified diagnoses, which represent the majority of diagnoses in areas such as eating disorders, personality disorders, and autism spectrum disorder. (DSM-5, 12) Structural problems rooted in the basic design of the previous DSM classification, constructed of a large number of narrow diagnostic categories, have emerged in both clinical practice and research. — Gary Goertz, Social Science Concepts and Measurement, 1340

Categorization

• SHARE: Perfect for the one DSM-skeptical psychiatrist or clinical-psych friend — the not-otherwise-specified majority in eating and personality disorders is the killer stat.