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 300.20 Phobia unspecified View the most recent version of ICD-9-CM 300.20 Anxiety disorders in which the essential feature is persistent and irrational fear of a specific object, activity, or situation that the individual feels compelled to avoid. The individual recognizes the fear as excessive or unreasonable. 300.20 is a specific code that can be used to specify a diagnosis 300.20 contains 11 index entries View the ICD-9-CM Volume 1 300.* hierarchy Alternate Terminology Anxiety-hysteria NOS Phobia NOS  Index entries containing 300.20: Anxiety (neurosis) (reaction) (state) 300.00 hysteria 300.20 Disorder - see also Disease psychogenic NEC (see also condition) 300.9 phobic 300.20 Fear, fearfulness (complex) (reaction) 300.20 child 313.0 of animals 300.29 closed spaces 300.29 crowds 300.29 eating in public 300.23 heights 300.29 open spaces 300.22 with panic attacks 300.21 public speaking 300.23 streets 300.22 with panic attacks 300.21 travel 300.22 with panic attacks 300.21 washing in public 300.23 transient 308.0 Hysteria, hysterical 300.10 anxiety 300.20 Neurosis, neurotic 300.9 phobic 300.20 Phobia, phobic (reaction) 300.20 animal 300.29 isolated NEC 300.29 obsessional 300.3 simple NEC 300.29 social 300.23 specified NEC 300.29 state 300.20 Psychoneurosis, psychoneurotic (see also Neurosis) 300.9 phobia 300.20 Reaction fear 300.20 child 313.0 phobic 300.20 psychoneurotic (see also Neurosis) 300.9 phobic 300.20