ICD-11 classes
21 Symptoms, signs or clinical findings, not elsewhere...
Mental or behavioural symptoms, signs or clinical findings
MB21 — Symptoms, signs or clinical findings involving cognition
MB21.9 — Perseveration

ICD-11 MB21.9 — Perseveration

Persistent repetition of previously used words, phrases, or details that are not responsive to the demands of the situation.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.