ICD-10 block
R40–R46 Symptoms and signs involving cognition, perception, emotional state and behaviour
The block R40–R46 of ICD-10 is titled “Symptoms and signs involving cognition, perception, emotional state and behaviour”. It is part of Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified, and holds 7 groups.
What R40–R46 excludes
Conditions that look similar but belong under another code.
- those constituting part of a pattern of mental disorder F00-F99
Codes in R40–R46
- R46.0Very low level of personal hygiene
- R46.1Bizarre personal appearance
- R46.2Strange and inexplicable behaviour
- R46.3Overactivity
- R46.4Slowness and poor responsiveness
- R46.5Suspiciousness and marked evasiveness
- R46.6Undue concern and preoccupation with stressful events
- R46.7Verbosity and circumstantial detail obscuring reason for contact
- R46.8Other symptoms and signs involving appearance and behaviour
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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