10ICD Code Hub

F40.22

Header — not billable

Natural environment type phobia

The ICD-10 code for natural environment type phobia is F40.22.

F40.22 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under F40.22

Related codes in this category