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

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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