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
MB26.0 — Delusion
MB26.0A — Nihilistic delusion
ICD-11 MB26.0A — Nihilistic delusion
A delusion that the self, part of the self, part of the body, other persons, or the whole world has ceased to exist.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.