Definition of Mental Or Behavioural Disorders Associated With Pregnancy Childbirth Or The Puerperium: Syndromes associated with pregnancy or the puerperium (commencing within about 6 weeks after delivery) that involve significant mental and behavioural features. If the symptoms meet the diagnostic requirements for a specific mental disorder, that diagnosis should also be assigned. Coded Elsewhere: Mental…
Definition of Dementia: Dementia is an acquired brain syndrome characterized by a decline from a previous level of cognitive functioning. Memory impairment is present in most forms of dementia, but cognitive impairment is not restricted to memory (i.e., there is impairment in other areas such as executive functions, attention, language, social cognition and judgment, psychomotor…
Definition of Neurocognitive Disorders: Neurocognitive disorders are characterised by primary clinical deficits in cognitive functioning that are acquired rather than developmental. That is, neurocognitive disorders do not include disorders characterised by deficits in cognitive function that are present from birth or that arise during the developmental period, which are classified in the grouping neurodevelopmental disorders….
Definition of Factitious Disorders: Factitious disorders are characterised by intentionally feigning, falsifying, inducing, or aggravating medical, psychological, or behavioural signs and symptoms or injury in oneself or in another person, most commonly a child dependent, associated with identified deception. A pre-existing disorder or disease may be present, but the individual intentionally aggravates existing symptoms or…
Definition of Paraphilic Disorder: Paraphilic disorders are characterised by persistent and intense patterns of atypical sexual arousal, manifested by sexual thoughts, fantasies, urges, or behaviours, the focus of which involves others whose age or status renders them unwilling or unable to consent and on which the person has acted or by which he or she…
Coded Elsewhere: Personality disorder Definition of Personality disorder: Personality disorder is characterised by problems in functioning of aspects of the self (e.g., identity, self-worth, accuracy of self-view, self-direction), and/or interpersonal dysfunction (e.g., ability to develop and maintain close and mutually satisfying relationships, ability to understand others’ perspectives and to manage conflict in relationships) that have…
Definition of Disruptive Behaviour Or Dissocial Disorders: Disruptive behaviour and dissocial disorders are characterised by persistent behaviour problems that range from markedly and persistently defiant, disobedient, provocative or spiteful (i.e., disruptive) behaviours to those that persistently violate the basic rights of others or major age-appropriate societal norms, rules, or laws (i.e., dissocial). Onset of Disruptive…
Definition of Impulse Control Disorders: Impulse control disorders are characterised by the repeated failure to resist an impulse, drive, or urge to perform an act that is rewarding to the person, at least in the short-term, despite consequences such as longer-term harm either to the individual or to others, marked distress about the behaviour pattern,…
Definition of Disorders Due To Addictive Behaviours: Disorders due to addictive behaviours are recognizable and clinically significant syndromes associated with distress or interference with personal functions that develop as a result of repetitive rewarding behaviours other than the use of dependence-producing substances. Disorders due to addictive behaviours include gambling disorder and gaming disorder, which may…
Definition of Disorders due to use of cannabis: Disorders due to use of cannabis are characterised by the pattern and consequences of cannabis use. Cannabis is the collective term for a range of psychoactive preparations of the cannabis plant, Cannabis sativa, and related species and hybrids. Cannabis contains cannabinoids, a class of diverse chemical compounds…
