DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

F50 Eating disorders

  • Header · not billable

F50 is not billable. The category heads 30 billable codes in FY2027, grouped under 4 subdivisions.

Index → code

Where it sits

  1. Chapter 5 Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
  2. F50-F59 Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)
  3. F50 Eating disorders
Billable codes
30
Subdivisions
4
CC / MCC codes
19 / 0
HCC V28 codes
19
New FY2027
0
Index entries
49

Codes in F50

  1. F50.0
    Anorexia nervosa
    Header
    Excludes1 2

    Excludes1

    • loss of appetite (R63.0) R63.0
    • psychogenic loss of appetite (F50.89) F50.89
  2. F50.00
    Anorexia nervosa, unspecified
    BillableCC153
  3. F50.01
    Anorexia nervosa, restricting type
    Header
  4. F50.010
    Anorexia nervosa, restricting type, mild
    BillableCC153
    Inclusion terms 1

    Inclusion terms

    • Anorexia nervosa, restricting type, with a body mass index greater than or equal to 17 kg/m2
  5. F50.011
    Anorexia nervosa, restricting type, moderate
    BillableCC153
    Inclusion terms 1

    Inclusion terms

    • Anorexia nervosa, restricting type, with a body mass index of 16.0-16.99 kg/m2
  6. F50.012
    Anorexia nervosa, restricting type, severe
    BillableCC153
    Inclusion terms 1

    Inclusion terms

    • Anorexia nervosa, restricting type, with a body mass index of 15.0-15.99 kg/m2
  7. F50.013
    Anorexia nervosa, restricting type, extreme
    BillableCC153
    Inclusion terms 1

    Inclusion terms

    • Anorexia nervosa, restricting type, with a body mass index of less than 15.0 kg/m2
  8. F50.014
    Anorexia nervosa, restricting type, in remission
    BillableCC153
    Inclusion terms 2

    Inclusion terms

    • Anorexia nervosa, restricting type, in full remission
    • Anorexia nervosa, restricting type, in partial remission
  9. F50.019
    Anorexia nervosa, restricting type, unspecified
    BillableCC153
  10. F50.02
    Anorexia nervosa, binge eating/purging type
    Header
    Excludes1 1

    Excludes1

    • bulimia nervosa (F50.2-) F50.2
  11. F50.020
    Anorexia nervosa, binge eating/purging type, mild
    BillableCC153
    Inclusion terms 1

    Inclusion terms

    • Anorexia nervosa, binge eating/purging type, with a body mass index greater than or equal to 17 kg/m2
  12. F50.021
    Anorexia nervosa, binge eating/purging type, moderate
    BillableCC153
    Inclusion terms 1

    Inclusion terms

    • Anorexia nervosa, binge eating/purging type, with a body mass index of 16.0-16.99 kg/m2
  13. F50.022
    Anorexia nervosa, binge eating/purging type, severe
    BillableCC153
    Inclusion terms 1

    Inclusion terms

    • Anorexia nervosa, binge eating/purging type, with a body mass index of 15.0-15.99 kg/m2
  14. F50.023
    Anorexia nervosa, binge eating/purging type, extreme
    BillableCC153
    Inclusion terms 1

    Inclusion terms

    • Anorexia nervosa, binge eating/purging type, with a body mass index of less than 15.0 kg/m2
  15. F50.024
    Anorexia nervosa, binge eating/purging type, in remission
    BillableCC153
    Inclusion terms 2

    Inclusion terms

    • Anorexia nervosa, binge eating/purging type, in full remission
    • Anorexia nervosa, binge eating/purging type, in partial remission
  16. F50.029
    Anorexia nervosa, binge eating/purging type, unspecified
    BillableCC153
  17. F50.2
    Bulimia nervosa
    Header
    Inclusion terms 2, Excludes1 1

    Inclusion terms

    • Bulimia NOS
    • Hyperorexia nervosa

    Excludes1

    • anorexia nervosa, binge eating/purging type (F50.02-) F50.02
  18. F50.20
    Bulimia nervosa, unspecified
    BillableCC153
  19. F50.21
    Bulimia nervosa, mild
    BillableCC153
    Inclusion terms 1

    Inclusion terms

    • Bulimia nervosa with 1-3 episodes of inappropriate compensatory behavior per week
  20. F50.22
    Bulimia nervosa, moderate
    BillableCC153
    Inclusion terms 1

    Inclusion terms

    • Bulimia nervosa with 4-7 episodes of inappropriate compensatory behavior per week
  21. F50.23
    Bulimia nervosa, severe
    BillableCC153
    Inclusion terms 1

    Inclusion terms

    • Bulimia nervosa with 8-13 episodes of inappropriate compensatory behavior per week
  22. F50.24
    Bulimia nervosa, extreme
    BillableCC153
    Inclusion terms 1

    Inclusion terms

    • Bulimia nervosa with 14 or more episodes of inappropriate compensatory behavior per week
  23. F50.25
    Bulimia nervosa, in remission
    BillableCC153
    Inclusion terms 2

    Inclusion terms

    • Bulimia nervosa, in full remission
    • Bulimia nervosa, in partial remission
  24. F50.8
    Other eating disorders
    Header
  25. F50.81
    Binge eating disorder
    Header
  26. F50.810
    Binge eating disorder, mild
    Billable
    Inclusion terms 1

    Inclusion terms

    • Binge eating disorder with 1-3 binge eating episodes per week
  27. F50.811
    Binge eating disorder, moderate
    Billable
    Inclusion terms 1

    Inclusion terms

    • Binge eating disorder with 4-7 binge eating episodes per week
  28. F50.812
    Binge eating disorder, severe
    Billable
    Inclusion terms 1

    Inclusion terms

    • Binge eating disorder with 8-13 binge eating episodes per week
  29. F50.813
    Binge eating disorder, extreme
    Billable
    Inclusion terms 1

    Inclusion terms

    • Binge eating disorder with 14 or more eating episodes per week
  30. F50.814
    Binge eating disorder, in remission
    Billable
    Inclusion terms 2

    Inclusion terms

    • Binge eating disorder, in full remission
    • Binge eating disorder, in partial remission
  31. F50.819
    Binge eating disorder, unspecified
    Billable
  32. F50.82
    Avoidant/restrictive food intake disorder
    Billable
    Inclusion terms 1

    Inclusion terms

    • Avoidant/restrictive food intake disorder, in remission
  33. F50.83
    Pica in adults
    Billable
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Pica in adults, in remission

    Excludes1

    • pica in infancy and childhood (F98.3) F98.3
  34. F50.84
    Rumination disorder in adults
    Billable
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Rumination disorder in adults, in remission

    Excludes1

    • rumination disorder in infancy and childhood (F98.21) F98.21
  35. F50.89
    Other specified eating disorder
    Billable
    Inclusion terms 1

    Inclusion terms

    • Psychogenic loss of appetite
  36. F50.9
    Eating disorder, unspecified
    Billable
    Inclusion terms 4

    Inclusion terms

    • Atypical anorexia nervosa
    • Atypical bulimia nervosa
    • Feeding or eating disorder, unspecified
    • Other specified feeding disorder

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At F50

Excludes1

  • anorexia NOS (R63.0) R63.0
  • feeding problems of newborn (P92.-) P92
  • polyphagia (R63.2) R63.2

Excludes2

  • feeding difficulties (R63.3-) R63.3
  • feeding disorder in infancy or childhood (F98.2-) F98.2

Notes that also apply

Chapter 5 instructions (Includes 1, Excludes2 1): printed on the chapter 5 page.

Index entries

  • Bulimia (nervosa) → F50.2-
  • Hyperorexia nervosa → F50.2-
  • Coprophagy → F50.89
  • Parorexia (psychogenic) → F50.89
  • Pica → F50.89
  • Anorexianervosa → F50.00
  • Disorder (of)binge eating → F50.81-
  • Picain adults (in remission) → F50.83
  • Ruminationin adults (in remission) → F50.84
  • Cyclical vomiting, in migraine,psychogenic → F50.89
  • Dysorexiapsychogenic → F50.89
  • Overeatingnonorganic origin → F50.89
  • Overeatingpsychogenic → F50.89
  • Perversion, pervertedappetite → F50.89
  • Refusal offood, psychogenic → F50.89
  • Rejectionfood, psychogenic → F50.89
  • Vomitinghysterical → F50.89
  • Vomitingnervous → F50.89
  • Vomitingneurotic → F50.89
  • Vomitingpsychogenic → F50.89
  • Aphagiapsychogenic → F50.9
  • Bulimia (nervosa)atypical → F50.9
  • Bulimia (nervosa)normal weight → F50.9
  • Disorder (of)eating (adult) (psychogenic) → F50.9
  • Anorexianervosarestricting type → F50.01-
  • Anorexianervosabinge-eating type → F50.2-
  • Disorder (of)eating (adult) (psychogenic)bulimia → F50.2-
  • Disorder (of)eating (adult) (psychogenic)binge → F50.81-
  • Disorder (of)avoidantrestrictive food intake → F50.82
  • Disorder (of)rumination (infant or child) (in remission)adult (in remission) → F50.84
  • Appetitelack or lossnonorganic origin → F50.89
  • Appetitelack or losspsychogenic → F50.89
  • Disorder (of)eating (adult) (psychogenic)pica → F50.89
  • Disorder (of)eating (adult) (psychogenic)specified NEC → F50.89
  • Loss (of)appetite (see Anorexia)hysterical → F50.89
  • Loss (of)appetite (see Anorexia)nonorganic origin → F50.89
  • Loss (of)appetite (see Anorexia)psychogenic → F50.89
  • Perversion, pervertedappetitepsychogenic → F50.89
  • Problem (with) (related to)feeding (elderly) (infant) NOSnonorganic → F50.89
  • Vomitingcyclical, in migraine,psychogenic → F50.89

9 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy