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300.20 PHOBIA NOS


Code Information

Diagnosis Code: 300.20

Short Description: Phobia NOS

Long Description: Phobia, unspecified

Code Classification:

  • Mental disorders (290–319)
    • Neurotic disorders, personality disorders, and other nonpsychotic mental disorders (300-316)
      • 300 Neurotic disorders
        • 300.20 Phobia NOS

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 300.20 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • 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

Crosswalk Information

The code 300.20 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
300.20 Right Arrow F40.9 Phobic anxiety disorder, unspecified
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
300.00 Anxiety state, unspecified
300.01 Panic disorder without agoraphobia
300.02 Generalized anxiety disorder
300.09 Other anxiety states
300.10 Hysteria, unspecified
300.11 Conversion disorder
300.12 Dissociative amnesia
300.13 Dissociative fugue
300.14 Dissociative identity disorder
300.15 Dissociative disorder or reaction, unspecified
300.16 Factitious disorder with predominantly psychological signs and symptoms
300.19 Other and unspecified factitious illness
300.21 Agoraphobia with panic disorder
300.22 Agoraphobia without mention of panic attacks
300.23 Social phobia
300.29 Other isolated or specific phobias
300.3 Obsessive-compulsive disorders
300.4 Dysthymic disorder
300.5 Neurasthenia
300.6 Depersonalization disorder
300.7 Hypochondriasis
300.81 Somatization disorder
300.82 Undifferentiated somatoform disorder
300.89 Other somatoform disorders
300.9 Unspecified nonpsychotic mental disorder

This page was last updated on: 10/1/2014

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