---
title: "ICD-10-CM F40.243: Fear of flying | BillingBrief"
description: "F40.243 is a phobia of flying, one of the situational type phobias. Situational phobias without a code of their own go to F40.248."
canonical: "https://billingbrief.com/icd10/f40.243/"
language: "en"
---

# F40.243 Fear of flying

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

F40.243 is a phobia of flying, one of the situational type phobias. Situational phobias without a code of their own go to F40.248.

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Excludes2

Not part of this code, but both can be coded when both are documented.

-   dysmorphophobia (nondelusional) (F45.22)
-   nosophobia (F45.22)

## Related codes

-   [`F40.233` Fear of injury ICD-10-CM](https://billingbrief.com/icd10/f40.233/)
-   [`F40.240` Claustrophobia ICD-10-CM](https://billingbrief.com/icd10/f40.240/)
-   [`F40.241` Acrophobia ICD-10-CM](https://billingbrief.com/icd10/f40.241/)
-   [`F40.242` Fear of bridges ICD-10-CM](https://billingbrief.com/icd10/f40.242/)
-   [`F40.248` Other situational type phobia ICD-10-CM](https://billingbrief.com/icd10/f40.248/)
-   [`F40.290` Androphobia ICD-10-CM](https://billingbrief.com/icd10/f40.290/)
-   [`F40.291` Gynephobia ICD-10-CM](https://billingbrief.com/icd10/f40.291/)
-   [`F40.298` Other specified phobia ICD-10-CM](https://billingbrief.com/icd10/f40.298/)

## Common questions

### Is F40.243 a billable code?

Yes. F40.243 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/).