Skip to main content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
DSM-IV Diagnosis & Codes
The Diagnostic and Statistical Manual of Mental Disorders (DSM) is the standard classification of mental disorders used by mental health professionals in the United States. This website gives an easy-to-understand explanation of what DSM is and how it is used
DSM-IV Codes in Wikipedia
Wikipedia is always an interesting place to get information.
Here, you can click on any letter of the alphabet and get the name of numerous diagnostic codes in DSM-IV. Once you get to a diagnostic code, you may be able to click on a term for an in-depth description of that disorder. For example, if you click on "M," you will get to "Major Depressive Disorder." You will see there are a number of different types of this disorder. "Severe Without Psychotic Features" is one type; if you click on
International Classification of Diseases (ICM)
ICD is the international standard diagnostic classification for the incidence and prevalence of disease in large populations. A section of the ICD was dedicated to mental health disorders. In many articles on DSM-IV, you will often see a reference to an ICD code. This site will give you the history and development of the ICD-10 Classification of Mental and Behavioral Disorders. ICD is used by the World Health Organization (WHO).
Athabasca University Psychology Resources
DARE Database – UNESCO Database to the Social Sciences
Buros Institute of Mental Measurements
Buros Institute of Mental Measurements publishes the Tests in Print and Mental Measurements Yearbook series.
Educational Testing Service (ETS)
Find test descriptions and other testing information.
National Institute of Mental Health Statistics
A U. S. government resource for mental health statistics and other mental health information.
Psychological assessment, testing and practice resources for psychologists.
Therapist directory, online counseling service, self-assessment tests, self-help library and articles by professionals in the field.
Links to research on developmental psychology, focusing primarily on children's social and cognitive development.
Psychological and psychiatric terms defined.
One of the largest Internet sites devoted to psychological research and teaching with more than 17,000 links related to psychology.
The Uniform Crime Report
The FBI compiles a variety of annual statistics, reports, and publications on crimes in the United States including topics such as Hate Crimes.
The US Government Official Web Portal
Referred to as “The official [online] gateway to all government information.”