ICD-10-CM Codes
F01-F99 Mental, Behavioral and Neurodevelopmental disorders
F40-F48 Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
F40- Phobic anxiety disorders

2019 ICD-10-CM Diagnosis Code F40.220

Fear of thunderstorms

2016

2017

2018

2019

Billable/Specific Code

F40.220 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2019 edition of ICD-10-CM F40.220 became effective on October 1, 2018.
This is the American ICD-10-CM version of F40.220 - other international versions of ICD-10 F40.220 may differ.

The following code(s) above F40.220 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to F40.220:

F01-F99
2019 ICD-10-CM Range F01-F99
Mental, Behavioral and Neurodevelopmental disorders
Includes
- disorders of psychological development
Type 2 Excludes
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Mental, Behavioral and Neurodevelopmental disorders
F40.2
ICD-10-CM Diagnosis Code F40.2
Specific (isolated) phobias
Type 2 Excludes
- dysmorphophobia (nondelusional) (F45.22)
- nosophobia (F45.22)
Specific (isolated) phobias

Approximate Synonyms

Fear of thunderstorm
Specific phobia, thunderstorms

ICD-10-CM F40.220 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):

882 Neuroses except depressive

Convert F40.220 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change

Diagnosis Index entries containing back-references to F40.220:

Astraphobia F40.220
Brontophobia F40.220
Phobia, phobic F40.9
ICD-10-CM Diagnosis Code F40.9
Phobic anxiety disorder, unspecified
Applicable To
Phobia NOS
Phobic state NOS
- specific (isolated) F40.298
  ICD-10-CM Diagnosis Code F40.298
  Other specified phobia
  2016 2017 2018 2019 Billable/Specific Code
  - natural environment F40.228
    ICD-10-CM Diagnosis Code F40.228
    Other natural environment type phobia
    2016 2017 2018 2019 Billable/Specific Code
    - thunderstorms F40.220

ICD-10-CM Codes Adjacent To F40.220

F40.01 …… with panic disorder

F40.02 …… without panic disorder

F40.1 Social phobias

F40.10 Social phobia, unspecified

F40.11 Social phobia, generalized

F40.2 Specific (isolated) phobias

F40.21 Animal type phobia

F40.210 Arachnophobia

F40.218 Other animal type phobia

F40.22 Natural environment type phobia

F40.220 Fear of thunderstorms

F40.228 Other natural environment type phobia

F40.23 Blood, injection, injury type phobia

F40.230 Fear of blood

F40.231 Fear of injections and transfusions

F40.232 Fear of other medical care

F40.233 Fear of injury

F40.24 Situational type phobia

F40.240 Claustrophobia

F40.241 Acrophobia

F40.242 Fear of bridges

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2019 ICD-10-CM Diagnosis Code F40.220

Fear of thunderstorms

Mental, Behavioral and Neurodevelopmental disorders

Specific (isolated) phobias

Phobic anxiety disorder, unspecified

Other specified phobia

Other natural environment type phobia