F03.C18 — Unspecified dementia, severe, with other behavioral disturb

F03.C18 is the ICD-10-CM 2025 code for Unspecified dementia, severe, with other behavioral disturb. Unspecified dementia, severe, with other behavioral disturbance. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.

Yes, F03.C18 is a billable / specific ICD-10-CM code, meaning it can be used by clinicians and hospitals as a primary or secondary diagnosis on claims and electronic health records.

F03.C18 belongs to the chapter "Mental, behavioral and neurodevelopmental disorders" (codes F01-F99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.

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