ICD-10-CM category
F03: Unspecified dementia
Codes under F03 (Unspecified dementia). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| F03.9 | Unspecified dementia, unspecified severity | — |
| F03.9 | Unspecified dementia, unspecified severity | — |
| F03.90 | Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety | ✓ |
| F03.90 | Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety | ✓ |
| F03.91 | Unspecified dementia, unspecified severity, with behavioral disturbance | — |
| F03.91 | Unspecified dementia, unspecified severity, with behavioral disturbance | — |
| F03.92 | Unspecified dementia, unspecified severity, with psychotic disturbance | ✓ |
| F03.92 | Unspecified dementia, unspecified severity, with psychotic disturbance | ✓ |
| F03.93 | Unspecified dementia, unspecified severity, with mood disturbance | ✓ |
| F03.93 | Unspecified dementia, unspecified severity, with mood disturbance | ✓ |
| F03.94 | Unspecified dementia, unspecified severity, with anxiety | ✓ |
| F03.94 | Unspecified dementia, unspecified severity, with anxiety | ✓ |
| F03.911 | Unspecified dementia, unspecified severity, with agitation | ✓ |
| F03.911 | Unspecified dementia, unspecified severity, with agitation | ✓ |
| F03.918 | Unspecified dementia, unspecified severity, with other behavioral disturbance | ✓ |
| F03.918 | Unspecified dementia, unspecified severity, with other behavioral disturbance | ✓ |
| F03.A | Unspecified dementia, mild | — |
| F03.A | Unspecified dementia, mild | — |
| F03.A0 | Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety | ✓ |
| F03.A0 | Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety | ✓ |
| F03.A1 | Unspecified dementia, mild, with behavioral disturbance | — |
| F03.A1 | Unspecified dementia, mild, with behavioral disturbance | — |
| F03.A2 | Unspecified dementia, mild, with psychotic disturbance | ✓ |
| F03.A2 | Unspecified dementia, mild, with psychotic disturbance | ✓ |
| F03.A3 | Unspecified dementia, mild, with mood disturbance | ✓ |
| F03.A3 | Unspecified dementia, mild, with mood disturbance | ✓ |
| F03.A4 | Unspecified dementia, mild, with anxiety | ✓ |
| F03.A4 | Unspecified dementia, mild, with anxiety | ✓ |
| F03.A11 | Unspecified dementia, mild, with agitation | ✓ |
| F03.A11 | Unspecified dementia, mild, with agitation | ✓ |
| F03.A18 | Unspecified dementia, mild, with other behavioral disturbance | ✓ |
| F03.A18 | Unspecified dementia, mild, with other behavioral disturbance | ✓ |
| F03.B | Unspecified dementia, moderate | — |
| F03.B | Unspecified dementia, moderate | — |
| F03.B0 | Unspecified dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety | ✓ |
| F03.B0 | Unspecified dementia, moderate, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety | ✓ |
| F03.B1 | Unspecified dementia, moderate, with behavioral disturbance | — |
| F03.B1 | Unspecified dementia, moderate, with behavioral disturbance | — |
| F03.B2 | Unspecified dementia, moderate, with psychotic disturbance | ✓ |
| F03.B2 | Unspecified dementia, moderate, with psychotic disturbance | ✓ |
| F03.B3 | Unspecified dementia, moderate, with mood disturbance | ✓ |
| F03.B3 | Unspecified dementia, moderate, with mood disturbance | ✓ |
| F03.B4 | Unspecified dementia, moderate, with anxiety | ✓ |
| F03.B4 | Unspecified dementia, moderate, with anxiety | ✓ |
| F03.B11 | Unspecified dementia, moderate, with agitation | ✓ |
| F03.B11 | Unspecified dementia, moderate, with agitation | ✓ |
| F03.B18 | Unspecified dementia, moderate, with other behavioral disturbance | ✓ |
| F03.B18 | Unspecified dementia, moderate, with other behavioral disturbance | ✓ |
| F03.C | Unspecified dementia, severe | — |
| F03.C | Unspecified dementia, severe | — |
| F03.C0 | Unspecified dementia, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety | ✓ |
| F03.C0 | Unspecified dementia, severe, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety | ✓ |
| F03.C1 | Unspecified dementia, severe, with behavioral disturbance | — |
| F03.C1 | Unspecified dementia, severe, with behavioral disturbance | — |
| F03.C2 | Unspecified dementia, severe, with psychotic disturbance | ✓ |
| F03.C2 | Unspecified dementia, severe, with psychotic disturbance | ✓ |
| F03.C3 | Unspecified dementia, severe, with mood disturbance | ✓ |
| F03.C3 | Unspecified dementia, severe, with mood disturbance | ✓ |
| F03.C4 | Unspecified dementia, severe, with anxiety | ✓ |
| F03.C4 | Unspecified dementia, severe, with anxiety | ✓ |
| F03.C11 | Unspecified dementia, severe, with agitation | ✓ |
| F03.C11 | Unspecified dementia, severe, with agitation | ✓ |
| F03.C18 | Unspecified dementia, severe, with other behavioral disturbance | ✓ |
| F03.C18 | Unspecified dementia, severe, with other behavioral disturbance | ✓ |
Frequently asked questions
What is ICD-10-CM code F03?
F03 is an ICD-10-CM category covering Unspecified dementia. It contains 64 more specific diagnosis codes, 48 of which are billable.
Is F03 a billable code?
No — F03 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example F03.9 — Unspecified dementia, unspecified severity). 48 of the 64 codes under F03 are billable.
What codes fall under F03?
F03 includes F03.9, F03.9, F03.90, F03.90, F03.91, plus 59 more. See the full list with descriptions and billable status above.
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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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