Anorexia nervosa

A disorder characterized by significantly low body weight maintained through deliberate dietary restriction, an intense fear of weight gain, and disturbance in the way one's body weight or shape is experienced. The fear of weight gain persists even at low weight and is not alleviated by weight loss.

Symptoms

• Significantly low body weight maintained deliberately (BMI <18.5 in adults) (also: Significantly low body weight maintained deliberately, significantly low body weight, extremely low weight, underweight, very low body weight)
• Intense fear of gaining weight (also: Intense fear of gaining weight and distorting body shape, Fear of gaining weight, intense fear of gaining weight, fear of putting on weight, fear of weight gain)
• Dietary restriction and deliberate limitation of calorie intake (also: Dietary restriction / starvation, limiting food intake, food restriction, limiting calories, deliberate reduction of food)
• Compulsive, exhausting physical exercise (also: Compulsive exercise, excessive exercise, compulsive exercise, excessive physical activity, exaggerated exercise)
• Purging behaviors (also: Purging behaviors (self-induced vomiting, laxatives, diuretics, appetite suppressants), Self-induced vomiting or laxatives, purging behaviors, purging, purging and cleansing behaviors)
• Distorted body perception (also: Distorted perception of own body (considers self fat despite being emaciated), Distorted perception of own body, distorted body image, body dysmorphia, disturbed body image)
• Self-esteem dependent on body weight and shape (also: Self-esteem dependent on weight/shape, excessive importance of body weight to self-esteem, self-esteem dependent on weight, excessive self-evaluation through weight, self-worth dependent on weight)
• Overvalued idea regarding weight and body shape (also: obsessive preoccupation with weight, persistent overvalued idea, self-set low weight limit, constant calorie counting, weighing self multiple times daily)
• Secondary amenorrhoea or hormonal disturbances (also: amenorrhoea, absence of menstruation, cessation of menstruation, disruption of hypothalamic-pituitary-gonadal axis, decreased libido due to malnutrition)
• Somatic complications (also: Somatic complications of malnutrition (bradycardia, hypotension, lanugo, dry skin), bradycardia, slow pulse, low blood pressure, orthostatic hypotension)
• Denial of the seriousness of current low body weight (also: lack of insight into underweight, claiming to be fat despite underweight, minimising the seriousness of the condition, denial of illness, does not see the health problem)

ICD-11 diagnostic criteria

• znacznie niska masa ciała
• zachowania zapobiegające przyrostowi masy ciała
• nadmierna koncentracja na masie ciała lub sylwetce

How to recognise

In the ICD-11 framework, the core symptoms taken into account when recognising Anorexia nervosa are:

• znacznie niska masa ciała
• silny lęk przed przybraniem na wadze

Differential diagnosis

When diagnosing Anorexia nervosa, the following ICD-11 disorders should be considered in the differential diagnosis:

• Bulimia (6B81)
• Zespół unikania i ograniczania przyjmowania pokarmu (6B83)
• Zespół napadowego objadania się (6B82)
• Zaburzenie dysmorficzne ciała (6B21)
• Inna określona bulimia psychiczna (6B81.Y)
• Bulimia psychiczna, nieokreślona (6B81.Z)
• Inny określony zespół napadowego objadania się (6B82.Y)
• Zespół napadowego objadania się, nieokreślony (6B82.Z)
• Inne określone zaburzenie polegające na unikaniu lub ograniczaniu przyjmowania pokarmów (6B83.Y)
• Zaburzenie polegające na unikaniu lub ograniczaniu przyjmowania pokarmów, nieokreślone (6B83.Z)

Synonyms and related terms

Significantly low body weight maintained deliberately, significantly low body weight, extremely low weight, underweight, very low body weight, Intense fear of gaining weight and distorting body shape, Fear of gaining weight, fear of putting on weight, fear of weight gain, Dietary restriction / starvation, limiting food intake, food restriction, limiting calories, deliberate reduction of food, Compulsive exercise, excessive exercise, excessive physical activity, exaggerated exercise, Purging behaviors (self-induced vomiting, laxatives, diuretics, appetite suppressants), Self-induced vomiting or laxatives, purging, purging and cleansing behaviors, Distorted perception of own body (considers self fat despite being emaciated), Distorted perception of own body, distorted body image, body dysmorphia, disturbed body image, Self-esteem dependent on weight/shape, excessive importance of body weight to self-esteem, self-esteem dependent on weight

Frequently asked questions

What are the symptoms of Anorexia nervosa?

Symptoms associated with Anorexia nervosa (ICD-11 6B80) include: Significantly low body weight maintained deliberately (BMI <18.5 in adults), Intense fear of gaining weight, Dietary restriction and deliberate limitation of calorie intake, Compulsive, exhausting physical exercise, Purging behaviors, Distorted body perception, Self-esteem dependent on body weight and shape, Overvalued idea regarding weight and body shape, Secondary amenorrhoea or hormonal disturbances, Somatic complications, Denial of the seriousness of current low body weight.

How is Anorexia nervosa diagnosed according to ICD-11?

According to ICD-11, the diagnostic criteria for Anorexia nervosa (6B80) include: znacznie niska masa ciała; zachowania zapobiegające przyrostowi masy ciała; nadmierna koncentracja na masie ciała lub sylwetce.

What disorders are in the differential diagnosis of Anorexia nervosa?

The differential diagnosis of Anorexia nervosa (6B80) includes: Bulimia (6B81), Zespół unikania i ograniczania przyjmowania pokarmu (6B83), Zespół napadowego objadania się (6B82), Zaburzenie dysmorficzne ciała (6B21), Inna określona bulimia psychiczna (6B81.Y), Bulimia psychiczna, nieokreślona (6B81.Z), Inny określony zespół napadowego objadania się (6B82.Y), Zespół napadowego objadania się, nieokreślony (6B82.Z), Inne określone zaburzenie polegające na unikaniu lub ograniczaniu przyjmowania pokarmów (6B83.Y), Zaburzenie polegające na unikaniu lub ograniczaniu przyjmowania pokarmów, nieokreślone (6B83.Z).

WHO ICD-11 source

View this entry in the official WHO ICD-11 browser: 6B80 – WHO ICD-11