The ICD-10 code range for Symptoms and signs involving cognition, perception, emotional state and behavior R40-R46 is medical classification list by the World Health Organization (WHO).
ICD-10 Code range (R40-R46), Symptoms and signs involving cognition, perception, emotional state and behavior contains ICD-10 codes for Somnolence, stupor and coma, Somnolence, Stupor, Coma, Persistent vegetative state, Transient alteration of awareness