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F03.9

Non-billable

Unspecified dementia, unspecified severity

F03.9 is the ICD-10-CM code for Unspecified dementia, unspecified severity. It is a non-billable category code — use a more specific child code such as F03.90 for billing.

Status
Header (non-billable)
Chapter
F01-F99
Parent
F03
Subcodes
5
Edition
FY2026

F01-F99 Mental, Behavioral and Neurodevelopmental disorders

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code F03.9?
F03.9 is the ICD-10-CM code for "Unspecified dementia, unspecified severity". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
Is F03.9 a billable code?
No — F03.9 is a non-billable header code. Use a more specific child code (such as F03.90) for billing.
What are the subcodes of F03.9?
F03.9 has 5 more specific child codes, including F03.90, F03.91, F03.92.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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