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F40.22

Natural environment type phobia

Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 3 never code together
F40.2code
Excludes2
  • dysmorphophobia (nondelusional) (F45.22)F45.22
  • nosophobia (F45.22)F45.22
F01-F99chapter
Excludes2
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)R00-R99

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 1
F01-F99chapter
Includes
  • disorders of psychological development
Index entries leading here filed at null

No alphabetic index entry points at this code.

Alongside this code 4 same parent — F40.2
F40.21 Animal type phobia category F40.23 Blood, injection, injury type phobia category F40.24 Situational type phobia category F40.29 Other specified phobia category
Subordinate codes 2
F40.220 Fear of thunderstorms F40.228 Other natural environment type phobia
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
F40.2
Block
F40-F48
Siblings
4
Subordinate
2

Present FY2024–FY2027.