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Anorexia Nervosa

Jennifer E Cavin, MD Reviewed 04/2024
 


BASICS

DESCRIPTION

  • An eating disorder characterized by the restriction of food intake leading to significantly low weight with intense fear of weight gain and distorted perception of body weight and sh...

DIAGNOSIS

DSM-5 diagnosis of AN requires these 3 criteria: 
  • Restriction of energy intake that leads to a low body weight

  • Intense fear of weight gain or becoming obese, or continuous behavior that preven...

TREATMENT

GENERAL MEASURES

  • OP treatment: for patients who are not medically unstable, are highly motivated, and able to control eating and exercising behaviors

    • Interdisciplinary team (primary care physi...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

  • Family and individual therapy is extremely important for long-term outcomes.

  • Emphasize importance of moderate activity for health.

Patient Monitoring

  • Level of exerci...

REFERENCES

1
Hill LS, Reid F, Morgan JF, et al. SCOFF, the development of an eating disorder screening questionnaire. Int J Eat Disord. 2010;43(4):344-51. doi: 10.1002/eat.20679. PMID: 19343793.
2
...

ADDITIONAL READING

American Psychiatric Association. Practice Guideline for the Treatment of Patients with Eating Disorders . 3rd ed. Arl...

SEE ALSO

  • Amenorrhea; Bulimia Nervosa; Osteoporosis and Osteopenia

  • Algorithm: Weight Loss, Unintentional

CODES

ICD10

  • F50.01 Anorexia nervosa, restricting type

  • F50.02 Anorexia nervosa, binge eating/purging type

  • F50.00 Anorexia nervosa, unspecified

  • F50.0 Anorexia nervosa

SNOMED

  • 63393005 Anorexia nervosa, binge-e...

CLINICAL PEARLS

  • “Are you satisfied with your eating patterns?” or “Do you worry that you have lost control over how you eat?” may help to screen those with an eating problem.

  • Assess for suicide risk.

  • St...

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