ICD-11 classes
21 Symptoms, signs or clinical findings, not elsewhere...
Mental or behavioural symptoms, signs or clinical findings
MB29 — Symptoms or signs involving eating and related behaviour
MB29.4 — Rumination-regurgitation

ICD-11 MB29.4 — Rumination-regurgitation

Rechewing of previously swallowed food that has been brought back to the mouth through regurgitation, which may then be reswallowed or spat out.

The diagnosis includes nothing.

It has no clarifying diagnoses.