Eating disorders
In Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59), chapter 5: Mental, Behavioral and Neurodevelopmental Disorders
30 billable codes under F50: 19 are a CC; 19 map to HCC 153 (Personality Disorders; Anorexia/Bulimia Nervosa).A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment. An HCC counts toward a Medicare Advantage patient's risk score.
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Instructional notes
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers psychological pain disorders, substance use, abuse, dependence and remission, factitious disorder including Munchausen by proxy, and dementia severity.
- Pain disorders related to psychological factors (page 43)
- Mental and behavioral disorders due to psychoactive substance use (page 43)
- Factitious Disorder (page 44)
- Dementia (page 45)
All codes under F50
F50 can't be used on a claim. Pick a billable code below; grey headings group them.
- F50.0Anorexia nervosa
- F50.00Anorexia nervosa, unspecified
- F50.01Anorexia nervosa, restricting type
- F50.010Anorexia nervosa, restricting type, mild
- F50.011Anorexia nervosa, restricting type, moderate
- F50.012Anorexia nervosa, restricting type, severe
- F50.013Anorexia nervosa, restricting type, extreme
- F50.014Anorexia nervosa, restricting type, in remission
- F50.019Anorexia nervosa, restricting type, unspecified
- F50.02Anorexia nervosa, binge eating/purging type
- F50.020Anorexia nervosa, binge eating/purging type, mild
- F50.021Anorexia nervosa, binge eating/purging type, moderate
- F50.022Anorexia nervosa, binge eating/purging type, severe
- F50.023Anorexia nervosa, binge eating/purging type, extreme
- F50.024Anorexia nervosa, binge eating/purging type, in remission
- F50.029Anorexia nervosa, binge eating/purging type, unspecified
- F50.2Bulimia nervosa
- F50.20Bulimia nervosa, unspecified
- F50.21Bulimia nervosa, mild
- F50.22Bulimia nervosa, moderate
- F50.23Bulimia nervosa, severe
- F50.24Bulimia nervosa, extreme
- F50.25Bulimia nervosa, in remission
- F50.8Other eating disorders
- F50.81Binge eating disorder
- F50.810Binge eating disorder, mild
- F50.811Binge eating disorder, moderate
- F50.812Binge eating disorder, severe
- F50.813Binge eating disorder, extreme
- F50.814Binge eating disorder, in remission
- F50.819Binge eating disorder, unspecified
- F50.82Avoidant/restrictive food intake disorder
- F50.83Pica in adults
- F50.84Rumination disorder in adults
- F50.89Other specified eating disorder
- F50.9Eating disorder, unspecified
F50 MS-DRGs
As the principal diagnosis, the billable codes under F50 group to MS-DRG 887 or 883 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 887 Other Mental Disorder Diagnoses (17 of 30 codes)
- DRG 883 Disorders of Personality and Impulse Control (13 of 30 codes)
Other codes that refer to F50
Notes on these codes point to F50.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Eating Disorders
Eating disorders are serious mental health disorders. They involve severe problems with your thoughts about food and your eating behaviors. You may eat much less or much more than you need.
Read more about eating disorders on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.