F40.9

Phobic anxiety disorder, unspecified

Billable FY2026 2025-10-01 → 2026-09-30

This is the unspecified option. 4 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.

Exclusions 1 never code together

Excludes2

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)R00-R99

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 3

Inclusion terms

Includes

Index entries leading here 6

Disorder (of) — see also Disease
- anxiety F41.9
  - phobic F40.9
- psychogenic NOS F45.9
  - phobic F40.9
Reaction — see also Disorder
- fear F40.9
- phobic F40.9
Fear complex or reaction F40.9
Neurosis, neurotic F48.9
- phobic F40.9
Phobia, phobic F40.9
- reaction F40.9
- state F40.9
State (of)
- phobic F40.9

Alongside this code 4 same parent — F40

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Present FY2024–FY2027.