2025 ICD-10-CM Diagnosis Code F98.21

by

Rumination disorder of infancy and childhood

  • F98.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • ICD-10-CM F98.21 is a revised 2025 ICD-10-CM code that became effective on October 1, 2024.
  • This is the American ICD-10-CM version of F98.21 – other international versions of ICD-10 F98.21 may differ.

Applicable To

  • Rumination disorder in infancy or childhood, in remission

Type 1 Excludes

  • rumination disorder in adults (F50.84)

The following code(s) above F98.21 contain annotation back-references

 that may be applicable to F98.21:

  • F01-F99  Mental, Behavioral and Neurodevelopmental disorders
  • F90-F98  Behavioral and emotional disorders with onset usually occurring in childhood and adolescence
  • F98  Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence
  • F98.2  Other feeding disorders of infancy and childhood

Approximate Synonyms

  • Rumination disorder

ICD-10-CM F98.21 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 882 Neuroses except depressive

Convert F98.21 to ICD-9-CMCode History

  • 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
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change
  • 2025 (effective 10/1/2024): Revised code
    • New description: Rumination disorder of infancy and childhood
    • 2024 description: Rumination disorder of infancy

Code annotations containing back-references to F98.21:

  • Type 1 Excludes: F50.84

Diagnosis Index entries containing back-references to F98.21:

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