Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
R45: Symptoms and signs involving emotional state
R45.0: Nervousness
R45.1: Restlessness and agitation
R45.2: Unhappiness
R45.3: Demoralization and apathy
R45.4: Irritability and anger
R45.5: Hostility
R45.6: Violent behavior
R45.7: State of emotional shock and stress, unspecified
R45.8: Other symptoms and signs involving emotional state

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