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
ICD-11 MB26.0 — Delusion
A belief that is demonstrably untrue or not shared by others, usually based on incorrect inference about external reality. The belief is firmly held with conviction and is not, or is only briefly, susceptible to modification by experience or evidence that contradicts it. The belief is not ordinarily accepted by other members or the person's culture or subculture (i.e., it is not an article of religious faith).
The diagnosis includes nothing.
The diagnosis excludes nothing.
Diagnosis with code MB26.0 contains 15 clarifying diagnoses:
- MB26.00 — Bizarre delusion
- MB26.01 — Delusion of being controlled
- MB26.02 — Delusion of guilt
- MB26.03 — Delusion of reference
- MB26.04 — Erotomanic delusion
- MB26.05 — Grandiose delusion
- MB26.06 — Jealous delusion
- MB26.07 — Persecutory delusion
- MB26.08 — Religious delusion
- MB26.09 — Somatic delusion
It contains 1 clarifying diagnosis. - MB26.0A — Nihilistic delusion
- MB26.0B — Misidentification delusion
- MB26.0C — Delusion of impoverishment
- MB26.0Y — Other specified delusion
- MB26.0Z — Delusion, unspecified