F40.0

⚠ Non-billable (Header)

Agoraphobia

Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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✓ No additional coding notes for F40.0

Clinical Description

ICD-10-CM code F40.0 represents agoraphobia. 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 3 more specific child codes under F40.0.

Frequently Asked Questions

What is ICD-10 code F40.0?

ICD-10-CM code F40.0 is "Agoraphobia". It belongs to the category: Mental, Behavioral and Neurodevelopmental disorders (F01-F99).

Is F40.0 a billable ICD-10 code?

No, F40.0 is a non-billable header code. A more specific child code must be used for billing.

Related Codes in F40

Other codes in the same category that may be relevant for differential coding:

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Code Information

CodeF40.0
BillableNo — Header code
ParentF40
CategoryMental, Behavioral and Neurodevelopmental disorders (F01-F99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)