ICD-11 classes
21 Symptoms, signs or clinical findings, not elsewhere...
Mental or behavioural symptoms, signs or clinical findings
MB27 — Symptoms or signs involving perceptual disturbance
MB27.2 — Hallucinations

ICD-11 MB27.2 — Hallucinations

Sensory perceptions of any modality occurring in the absence of the appropriate (external) stimulus. The person may or may not have insight into the unreal nature of the perception.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code MB27.2 contains 10 clarifying diagnoses:

1. MB27.20 — Auditory hallucinations
2. MB27.21 — Gustatory hallucinations
3. MB27.22 — Hypnopompic hallucinations
4. MB27.23 — Hypnagogic hallucinations
5. MB27.24 — Olfactory hallucinations
6. MB27.25 — Somatic hallucinations
7. MB27.26 — Tactile hallucinations
8. MB27.27 — Visual hallucinations
   It contains 1 clarifying diagnosis.
9. MB27.2Y — Other specified hallucinations
10. MB27.2Z — Hallucinations, unspecified