1. ICD-10-CM Codes
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2. F01-F99 Mental, Behavioral and Neurodevelopmental disorders
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3. F50-F59 Behavioral syndromes associated with physiological disturbances and physical factors
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4. F50- Eating disorders
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2020 ICD-10-CM Diagnosis Code F50.9

Eating disorder, unspecified

2016 2017 2018 2019 2020 Billable/Specific Code

• F50.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2020 edition of ICD-10-CM F50.9 became effective on October 1, 2019.
• This is the American ICD-10-CM version of F50.9 - other international versions of ICD-10 F50.9 may differ.

• Eating disorder

• A broad group of psychological disorders with abnormal eating behaviors leading to physiological effects from overeating or insufficient food intake.
• A group of disorders characterized by physiological and psychological disturbances in appetite or food intake.
• Eating disorders are serious behavior problems. They include
  • anorexia nervosa, in which you become too thin, but you don't eat enough because you think you are fat
  • bulimia nervosa, involving periods of overeating followed by purging, sometimes through self-induced vomiting or using laxatives
  • binge-eating, which is out-of-control eating
  women are more likely than men to have eating disorders. They usually start in the teenage years and often occur along with depression, anxiety disorders and substance abuse. Eating disorders can cause heart and kidney problems and even death. Getting help early is important. Treatment involves monitoring, mental health therapy, nutritional counseling and sometimes medicines.
• Group of disorders characterized by physiological and psychological disturbances in eating behavior, appetite or food intake.

• 887 Other mental disorder diagnoses

Convert F50.9 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change

• Type 1 Excludes: R13.0
  ICD-10-CM Diagnosis Code R13.0

  Aphagia

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Inability to swallow

  Type 1 Excludes

  • psychogenic aphagia (F50.9)

• Anorexia R63.0
  ICD-10-CM Diagnosis Code R63.0

  Anorexia

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Loss of appetite

  Type 1 Excludes

  • anorexia nervosa (F50.0-)
  • loss of appetite of nonorganic origin (F50.89)
  • nervosa F50.00
    ICD-10-CM Diagnosis Code F50.00

    Anorexia nervosa, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code
    • atypical F50.9
• Aphagia R13.0
  ICD-10-CM Diagnosis Code R13.0

  Aphagia

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Inability to swallow

  Type 1 Excludes

  • psychogenic aphagia (F50.9)
  • psychogenic F50.9
• Bulimia (nervosa) F50.2
  ICD-10-CM Diagnosis Code F50.2

  Bulimia nervosa

  2016 2017 2018 2019 2020 Billable/Specific Code

  Applicable To

  • Bulimia NOS
  • Hyperorexia nervosa

  Type 1 Excludes

  • anorexia nervosa, binge eating/purging type (F50.02)
  • atypical F50.9
  • normal weight F50.9
• Disorder (of) - see also Disease
  • eating (adult) (psychogenic) F50.9
  • feeding (infant or child) R63.3
    - see also Disorder, eating
    ICD-10-CM Diagnosis Code R63.3

    Feeding difficulties

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Feeding problem (elderly) (infant) NOS
    • Picky eater

    Type 1 Excludes

    • eating disorders (F50.-)
    • feeding problems of newborn (P92.-)
    • infant feeding disorder of nonorganic origin (F98.2-)
    • or eating disorder F50.9
    • specified NEC F50.9
  • psychogenic NOS F45.9
    - see also condition
    ICD-10-CM Diagnosis Code F45.9

    Somatoform disorder, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code

    Applicable To

    • Psychosomatic disorder NOS
    • appetite F50.9

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.