---
title: "ICD-10-CM F40.00: Agoraphobia, unspecified | BillingBrief"
description: "ICD-10-CM code F40.00: Agoraphobia, unspecified. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/f40.00/"
language: "en"
---

# F40.00 Agoraphobia, unspecified

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Agoraphobia, unspecified

## Related codes

-   [`F40.01` Agoraphobia with panic disorder ICD-10-CM](https://billingbrief.com/icd10/f40.01/)
-   [`F40.02` Agoraphobia without panic disorder ICD-10-CM](https://billingbrief.com/icd10/f40.02/)
-   [`F40.10` Social phobia, unspecified ICD-10-CM](https://billingbrief.com/icd10/f40.10/)
-   [`F40.11` Social phobia, generalized ICD-10-CM](https://billingbrief.com/icd10/f40.11/)
-   [`F40.210` Arachnophobia ICD-10-CM](https://billingbrief.com/icd10/f40.210/)
-   [`F40.218` Other animal type phobia ICD-10-CM](https://billingbrief.com/icd10/f40.218/)
-   [`F40.220` Fear of thunderstorms ICD-10-CM](https://billingbrief.com/icd10/f40.220/)
-   [`F40.228` Other natural environment type phobia ICD-10-CM](https://billingbrief.com/icd10/f40.228/)

## Common questions

### Is F40.00 a billable code?

Yes. F40.00 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

F40 Phobic anxiety disorders

Chapter

Mental, behavioral and neurodevelopmental disorders

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).