ICD-11 classes
21 Symptoms, signs or clinical findings, not elsewhere...
Mental or behavioural symptoms, signs or clinical findings
MB26 — Symptoms or signs involving content of thought
MB26.9 — Suspiciousness

ICD-11 MB26.9 — Suspiciousness

The behaviour of others is viewed with anxiety, mistrust, or hostility and perceived as potentially threatening.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.