F50.01

Anorexia nervosa, restricting type

FY2027Chapter 5: Mental, Behavioral and Neurodevelopmental disorders/F50–F59 Behavioral syndromes associated with physiological disturbances and physical factors

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

F50.01 is a non-billable ICD-10-CM code header for anorexia nervosa, restricting type. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are F50.010 Anorexia nervosa, restricting type, mild; F50.011 Anorexia nervosa, restricting type, moderate; F50.012 Anorexia nervosa, restricting type, severe; F50.013 Anorexia nervosa, restricting type, extreme and 2 more. Its coding notes include 5 Excludes1 entries and 3 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from F50.0 Anorexia nervosa
  • loss of appetite (R63.0)
  • psychogenic loss of appetite (F50.89)
Inherited from F50 Eating disorders

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from F50 Eating disorders
  • feeding difficulties (R63.3-)
  • feeding disorder in infancy or childhood (F98.2-)
Also from chapter/block level (1 note)
Inherited from Chapter 5 Mental, Behavioral and Neurodevelopmental disorders
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Includes

Further defines or gives examples of the content of the category.

Also from chapter/block level (1 note)
Inherited from Chapter 5 Mental, Behavioral and Neurodevelopmental disorders
  • disorders of psychological development

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 1 entry

More specific codes under F50.01 6