F98.21 - Rumination disorder of infancy

Version 2023
ICD-10:F98.21
Short Description:Rumination disorder of infancy
Long Description:Rumination disorder of infancy
Status: Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Mental and behavioural disorders (F00–F99)
    • Behavioral and emotional disorders with onset usually occurring in childhood and adolescence (F90-F98)
      • Oth behav/emotn disord w onset usly occur in chldhd and adol (F98)

F98.21 is a billable ICD-10 code used to specify a medical diagnosis of rumination disorder of infancy. The code is valid during the fiscal year 2023 from October 01, 2022 through September 30, 2023 for the submission of HIPAA-covered transactions.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Index to Diseases and Injuries References

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for this diagnosis code are found in the injuries and diseases index:

Convert to ICD-9 Code

Source ICD-10 CodeTarget ICD-9 Code
F98.21307.53 - Rumination disorder
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

Patient Education


Infant and Newborn Nutrition

Food provides the energy and nutrients that babies need to be healthy. For a baby, breast milk is best. It has all the necessary vitamins and minerals. Infant formulas are available for babies whose mothers are not able to or decide not to breastfeed.

Infants are usually ready to eat solid foods at about 6 months of age. Check with your health care provider for the best time for your baby to start. If you introduce one new food at a time, you will be able to identify any foods that cause allergies in your baby. Allergic reactions include a a rash, diarrhea, or vomiting.

Many parents are concerned about peanut allergies. When babies can eat foods that contain peanuts depends on their risk of food allergies:

There are some foods that you should avoid feeding your baby:


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Code History