MB26

ICD-11 MMS 2026-01

Symptoms or signs involving content of thought

Description

Symptoms and signs involving content of thought include delusions, experiences of influence, passivity, and control, grandiosity, homicidal ideation, identity disturbance, obsessions, overvalued ideas, paranoid ideation, referential thinking, suspiciousness, and suicidal ideation.

Exclusions from above levels

  • 19 – Certain conditions originating in the perinatal period
  • JA66 – Clinical findings on antenatal screening of mother

Child codes

  • MB26.0 – Delusion
  • MB26.1 – Experiences of influence, passivity, and control
  • MB26.2 – Grandiosity
  • MB26.3 – Homicidal ideation
  • MB26.4 – Identity disturbance
  • MB26.5 – Obsessions
  • MB26.6 – Overvalued ideas
  • MB26.7 – Paranoid ideation
  • MB26.8 – Referential thinking
  • MB26.9 – Suspiciousness
  • MB26.A – Suicidal ideation
  • MB26.Y – Other specified symptoms or signs involving content of thought
  • MB26.Z – Symptoms or signs involving content of thought, unspecified

Sibling codes

  • MB20 – Symptoms, signs or clinical findings involving consciousness
  • MB21 – Symptoms, signs or clinical findings involving cognition
  • MB22 – Symptoms or signs involving motivation or energy
  • MB23 – Symptoms or signs involving appearance or behaviour
  • MB24 – Symptoms or signs involving mood or affect
  • MB25 – Symptoms or signs involving form of thought
  • MB27 – Symptoms or signs involving perceptual disturbance
  • MB28 – Symptoms or signs related to personality features
  • MB29 – Symptoms or signs involving eating and related behaviour
  • MB2A – Symptoms or signs involving elimination
  • MB2Y – Other specified mental or behavioural symptoms, signs or clinical findings

Foundation entity

Symptoms or signs involving content of thought – http://id.who.int/icd/entity/1166728139

Part of: 21: Symptoms, signs or clinical findings, not elsewhere classified