DUAL DIAGNOSIS By N., Sam M.S. - 9 Identifying 2 distict disoreders present at the same time. See comorbidity. DUAL DIAGNOSIS: "Joe had a dual diagnosis of depression and substance abuse." Related Psychology Terms Dissociative Identity Disorder Using the Hamilton Depression Rating Scale: A Case Study on Grief Diagnosis and Treatment Planning CHILD ABUSE (The Battered-Child Syndrome) A Comparison of Maternal and Paternal Filicide BDI-II Assessment Selecting a Diagnosis Legality and Ethics for Case Management CLINICAL PSYCHOLOGY Symptoms of Addiction Cite this page: N., Sam M.S., "DUAL DIAGNOSIS," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/dual-diagnosis/ (accessed December 3, 2022).