F03.9
⚠ Non-billable (Header)Unspecified dementia, unspecified severity
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
⚠️ Excludes2
inherited from F03Rules from parent category F03: Unspecified dementia
- • dementia with delirium or acute confusional state (F05)
- • mild memory disturbance due to known physiological condition (F06.8)
Child Codes (5)
F03.90Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxietyF03.91Unspecified dementia, unspecified severity, with behavioral disturbanceF03.92Unspecified dementia, unspecified severity, with psychotic disturbanceF03.93Unspecified dementia, unspecified severity, with mood disturbanceF03.94Unspecified dementia, unspecified severity, with anxiety
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CodeF03.9
BillableNo — Header code
ParentF03
CategoryMental, Behavioral and Neurodevelopmental disorders (F01-F99)
Excludes10 rule(s)
Excludes22 note(s)
Child codes5
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)