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 300.0 Anxiety states View the most recent version of ICD-9-CM 300.0 300.0 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 300.* hierarchy 300.0 Excludes anxiety in: acute stress reaction (308.0) transient adjustment reaction (309.24) neurasthenia (300.5) psychophysiological disorders (306.0-306.9) separation anxiety (309.21)