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The following diagnostic systems and rating scales are used in psychiatry and clinical psychology.This list is by no means exhaustive or complete. For instance, in the category of depression, there are over two dozen depression rating scales that have been developed in the past eighty years.
Depression, one of the most commonly diagnosed psychiatric disorders, [2] [3] is being diagnosed in increasing numbers in various segments of the population worldwide. [4] [5] Depression in the United States alone affects 17.6 million Americans each year or 1 in 6 people. Depressed patients are at increased risk of type 2 diabetes ...
The International Classification of Sleep Disorders (ICSD) is "a primary diagnostic, epidemiological and coding resource for clinicians and researchers in the field of sleep and sleep medicine". [1] The ICSD was produced by the American Academy of Sleep Medicine (AASM) in association with the European Sleep Research Society, the Japanese ...
ICD-9 [10] Organic sleep disorder, nonorganic sleep disorder and as symptom of other diseases 1979 Nosology Clinical classification into four major groups: Disorder of initiating and maintaining sleep (DIMS) - Insomnias, Disorder of Excessive sleep (DOES) - Hypersomnias, Disorder of sleep-wake schedule (Circadian rhythm disorders) and Parasomnias
Mood disorder; Other names: mental disorder: A depressive man standing by a country pond in the pouring rain: Specialty: Psychiatry: Types: Bipolar disorder, cyclothymia, disruptive mood dysregulation disorder, dysthymia, major depressive disorder, premenstrual dysphoric disorder, seasonal affective disorder
The criteria below are based on the formal DSM-5 criteria for a major depressive episode. [21] A diagnosis of a major depressive episode requires the patient to have experienced five or more of the symptoms below, one of which must be either a depressive mood or a loss of interest or pleasure (although both are frequently present). [1]
Prior to the introduction of this code, the nonspecific code 307.45, Circadian rhythm sleep disorder of non-organic origin, was available, and as of 2014 remains the code recommended by the DSM-5. ICD-10-CM: Circadian rhythm sleep disorder, free running type; code G47.24 was due to take effect October 1, 2014.
To maintain consistency the ICD-10 used the same criteria, with only minor alterations, but using the DSM diagnostic threshold to mark a mild depressive episode, adding higher threshold categories for moderate and severe episodes. [113] [311] The ancient idea of melancholia still survives in the notion of a melancholic subtype.