F98.21

Rumination disorder of infancy and childhood

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 11 never code together

Excludes2

F98code

Excludes2

breath-holding spells (R06.89)R06.89
gender identity disorder of childhood (F64.2)F64.2
Kleine-Levin syndrome (G47.13)G47.13
obsessive-compulsive disorder (F42.-)F42.-
sleep disorders not due to a substance or known physiological condition (F51.-)F51.-

Excludes1

Excludes2

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)R00-R99

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 3

Inclusion terms

Notes

Codes within categories F90-F98 may be used regardless of the age of a patient. These disorders generally have onset within the childhood or adolescent years, but may continue throughout life or not be diagnosed until adulthoodF90-F98

Includes

Index entries leading here 2

Alongside this code 1 same parent — F98.2

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Present FY2024–FY2027.