All ICD10 Codes

F40.22

Non-Billable
ChapterF01–F99
Ranksubcategory
Official Description

Natural environment type phobia

Use a more specific code (2 billable)
F40.220Fear of thunderstormsF40.228Other natural environment type phobia
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).
General instructions are available for the parent sections:
View CH5 NotesView F40.2 Notes

Clinical Hierarchy

BillableHas subcodes
CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F40-F48Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)
F40Phobic anxiety disorders
F40.2Specific (isolated) phobias
F40.22Natural environment type phobiaNot billable
F40.220Fear of thunderstormsBillable
F40.228Other natural environment type phobiaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F40.22:

subcategoryF40.2
Specific (isolated) phobias
View context instructions
chapterCH5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Natural environment type phobia.

Search PCS Codes