300.5 Neurasthenia
Fatigue neurosis
Nervous debility
Psychogenic:
asthenia
general fatigue
Use additional code to identify any associated physical disorder
Excludes:
anxiety state (300.00-300.09)
neurotic depression (300.4)
psychophysiological disorders (306.0-306.9)
specific nonpsychotic mental disorders following organic brain damage (310.0-310.9)