The use of screening instruments can reduce waiting lists and increase treatment capacity. The aim of this study was to examine the usefulness of the Strengths and Difficulties Questionnaire (SDQ) with the original UK scoring algorithms, when used as a screening instrument to detect mental health disorders among patients in the Norwegian Child and Adolescent Mental Health Services (CAMHS) North Study. | The Strengths and Difficulties Questionnaire as a Screening Instrument for Norwegian Child and Adolescent Mental Health Services, Application of UK Scoring Algorithms