2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 > Neurotic Disorders 300.* > 2006 ICD-9-CM Diagnosis 300.5 Neurasthenia View the most recent version of ICD-9-CM 300.5 A mental disorder characterized by chronic fatigue and concomitant physiologic symptoms. 300.5 is a specific code that can be used to specify a diagnosis 300.5 contains 31 index entries View the ICD-9-CM Volume 1 300.* hierarchy Alternate Terminology Fatigue neurosis Nervous debility Psychogenic: asthenia general fatigue Use additional code to identify any associated physical disorder 300.5 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)  Index entries containing 300.5: Asthenia, asthenic 780.79 nervous 300.5 neurotic 300.5 psychogenic 300.5 psychoneurotic 300.5 psychophysiologic 300.5 reaction, psychoneurotic 300.5 Beard's disease (neurasthenia) 300.5 Cachexia 799.4 nervous 300.5 Debility (general) (infantile) (postinfectional) 799.3 nervous 300.5 Disease, diseased - see also Syndrome Beard's (neurasthenia) 300.5 Disorder - see also Disease psychogenic NEC (see also condition) 300.9 asthenic 300.5 Exhaustion, exhaustive (physical NEC) 780.79 mental 300.5 nervous 300.5 psychogenic 300.5 Fatigue 780.79 general 780.79 psychogenic 300.5 nervous 300.5 neurosis 300.5 psychogenic (general) 300.5 syndrome NEC 300.5 chronic 780.71 Mental - see also condition exhaustion 300.5 Neurasthenia 300.5 cardiac 306.2 gastric 306.4 heart 306.2 postfebrile 780.79 postviral 780.79 Neurosis, neurotic 300.9 asthenic 300.5 fatigue 300.5 Prostration 780.79 nervous 300.5 Psychoneurosis, psychoneurotic (see also Neurosis) 300.9 neurasthenic 300.5 Reaction asthenic 300.5 neurasthenic 300.5 psychoneurotic (see also Neurosis) 300.9 neurasthenic 300.5 Syndrome - see also Disease exhaustion 300.5 fatigue NEC 300.5 chronic 780.71 irritable weakness 300.5