2025 ICD-10-CM Diagnosis Code F50.84

Rumination disorder in adults

• F50.84 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• ICD-10-CM F50.84 is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
• This is the American ICD-10-CM version of F50.84 – other international versions of ICD-10 F50.84 may differ.

ICD-10-CM Coding Rules

• F50.84 is applicable to adult patients aged 15 – 124 years inclusive.

Applicable To

• Rumination disorder in adults, in remission

Type 1 Excludes

• rumination disorder in infancy and childhood (F98.21)

The following code(s) above F50.84 contain annotation back-references

 that may be applicable to F50.84:

• F01-F99  Mental, Behavioral and Neurodevelopmental disorders
• F50  Eating disorders

ICD-10-CM F50.84 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 887 Other mental disorder diagnoses

Code History

• 2025 (effective 10/1/2024): New code

Code annotations containing back-references to F50.84:

• Type 1 Excludes: F98.21

Diagnosis Index entries containing back-references to F50.84:

• Disorder (of) – see also Disease
  • eating (adult) (psychogenic) F50.9
    • ruminationR11.10 – see also Rumination
      • adult F50.84 (in remission)
  • rumination (infant or child) (in remission) F98.21
    • adult F50.84 (in remission)
• RuminationR11.10
  • in adults F50.84 (in remission)