Durations
Anxiety disorders
Separation anxiety disorder: Children min 4 weeks. Adults min 6
months
Selective mutism: min. 1 month
Specific phobia: typically min. 6 months
Social Anxiety Disorder (social phobia): Typically min. 6 months
Panic disorder: at least one attack followed by min. 1 month of one or
both of – concern, worry - change in behavior
Agoraphobia: typically min. 6 months
Generalized Anxiety Disorder: occurring more days than not for min. 6
months
Sleep-wake disorders
Insomnia Disorder: min. 3 nights per week for min. 3 months.
Episodic: 1-3 months
Persistent: 3 months or longer
Recurrent: 2 or more episodes within space of 1 year
Hyper somnolence disorder: min. 3 times per week for min. 3 months.
Acute: less than 1 month
Sub acute: 1-3 months
Persistent: more than 3 months
Narcolepsy: min 3 times per week over the past 3 months.
Mild: infrequent cataplexy (<1 a week), need for naps only once or twice
per day, less disturbed nocturnal sleep)
Moderate: cataplexy once daily or every few days, disturbed nocturnal
sleep, and need for multiple naps daily
Severe: drug-resistant cataplexy with multiple attacks daily, nearly
constant sleepiness, and disturbed nocturnal sleep.
Obstructive sleep apnea hypopnea:
Mild: AHI < 15
Moderate: AHI 15-30
Severe: AHI >30
Central sleep apnea: 5 or more central apneas per hour of sleep
Severity based on frequency breathing disturbances as well as the extent
of associated oxygen desaturation and sleep fragmentation.
Sleep-related hypoventilation: severity graded according to the degree
of hypoxemia and hypercarbia present during sleep and evidence of
endorgan impairment due to this abnormalities (e.g., right-sided heart
failure). The presence of bloodgas abnormalities during wakefulness is an
indicator of greater severity.
Circadian rhythm sleep-wake disorders
Episodic: symptoms last 1-3 months
, Persistent: 3 months or longer
Recurrent: two or more episodes occur within space of 1 year
Non-rapid eye movement sleep arousal disorders (non-REM sleep…):
no duration mentioned. (Symptoms usually during first third of major
sleep episode)
Nightmare disorder: (generally during second half of the major sleep
episode).
Acute: duration period of nightmares is 1 month or less
Sub acute: 1-6 months
Persistent: 6 months or more
Mild: less than one episode per week
Moderate: one or more episodes per week but less than nightly
Severe: nightly
Rapid eye movement sleep behavior disorder: (during REM sleep so
behaviors usually occur more than 90 min after sleep onset).
Restless legs syndrome: min. 3 times per week for at least 3 months.
Other specified:
-Brief insomnia disorder: <3 months
-Restricted to nonrestorative sleep: predominant complaint is
nonrestorative sleep accompanied by other sleep symptoms such as
difficulty falling a sleep or remaining a sleep.
Substance related and addictive disorders.
- Alcohol, caffeine, cannabis, hallucinogens, inhalants, opioids, sedatives
&hypnotics & anxiolytics, stimulants, tobacco, and other(or unknown)
substances.
- Divided in: substance use disorders & substance-induced disorders
Alcohol use disorder:
In early remission: remission of 3-12 months
In sustained remission: 12 months or longer
Mild: 2-3 symptoms
Moderate: 4-5 symptoms
Severe: 6 or more symptoms
Somatic symptom and related disorders.
Somatic symptom disorder: symptomatic state typically >6 months
Illness anxiety disorder: illness preoccupation present for min. 6
months, but specific illness that is feared may change over the period of
time
Conversion disorder (functional neurological symptom disorder):
Acute episode: symptoms present for less than 6 months
Persistent: symptoms occurring for 6 months or more
, Psychological factors affecting other medical conditions:
Mild: increases medical risk (e.g., inconsistent adherence with
antihypertension treatment)
Moderate: aggravates underlying medical condition (e.g., anxiety
aggravating asthma)
Severe: results in medical hospitalization or emergency room visit
Extreme: results in severe, life-threatening risk (e.g., ignoring heart attack
symptoms)
Factitious disorder (imposed on self):
Single episode
Recurrent episodes: 2 or more events of falsification of illness and/or
induction of injury
Factitious disorder imposed on another:
Single episode
Recurrent episodes: 2 or more events of falsification of illness and/or
induction of injury
Other specified:
Brief somatic symptom disorder: <6 months
Brief illness anxiety disorder: < 6 months
Illness anxiety disorder without excessive health behaviors: D not
met
Pseudocyesis: false belief of being pregnant associated with objective
signs and reported symptoms.
Schizophrenia spectrum and other psychotic disorders
Delusional disorder: one or more delusions with a presence of min. 1
month.
Brief psychotic disorder: min. 1 day but less than 1 month, with
eventual full return to premorbid level of functioning
Schizophreniform: episode of the disorder lasts min. 1 month but less
than 6 months.
Schizophrenia: continuous signs of the disturbance persist for min. 6
months. This 6 month period must include at least 1 month of symptoms
(or less if successfully treated) that meet criterion A (active-phase
symptoms) and may include periods of prodromal or residual
periods(during this periods the signs may be manifested by only negative
symptoms or by 2 or more symptoms listed in criterion A present in
attenuated form(e.g., odd beliefs, unusual perceptual experiences).
Schizoaffective disorder: delusions or hallucinations for 2 weeks or
more in the absence of a major mood-episode (depressive of manic)
during the lifetime duration of the illness.
Catatonia specifier
Disruptive, impulse-control, and conduct disorders
