F03.C18: Unspecified dementia, severe, with other behavioral disturbance
F03.C18 is the billable ICD-10-CM diagnosis code for Unspecified dementia, severe, with other behavioral disturbance. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code F03.C18?
F03.C18 is the ICD-10-CM diagnosis code for Unspecified dementia, severe, with other behavioral disturbance. It belongs to category F03 (Unspecified dementia).
Is F03.C18 a billable code?
Yes. F03.C18 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does F03.C18 belong to?
F03.C18 is part of ICD-10-CM category F03 — Unspecified dementia, which has 48 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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