F40.2
⚠ Non-billable (Header)Specific (isolated) phobias
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
⚠️ Excludes2
directBoth codes can exist if both conditions are documented.
- • dysmorphophobia (nondelusional) (F45.22)
- • nosophobia (F45.22)
Child Codes (5)
Clinical Description
ICD-10-CM code F40.2 represents specific (isolated) phobias. This code falls under the Mental, Behavioral and Neurodevelopmental disorders (F01-F99) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 5-character code at the 4th level of specificity. There are 5 more specific child codes under F40.2.
Frequently Asked Questions
What is ICD-10 code F40.2?
ICD-10-CM code F40.2 is "Specific (isolated) phobias". It belongs to the category: Mental, Behavioral and Neurodevelopmental disorders (F01-F99).
Is F40.2 a billable ICD-10 code?
No, F40.2 is a non-billable header code. A more specific child code must be used for billing.
Can F40.2 be coded with other codes?
F40.2 has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in F40
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)