| Dementia Subtype | ICD-9 Diagnostic Codes |
| Alzheimer’s Disease | 331 |
| Vascular | 290.40, 290.41, 290.42, 290.43 |
| Lewy Body | 331.82, 332.0 + 331.0 |
| Frontotemporal | 331.1, 331.11, 331.19 |
| Alcohol Induced | 291.2 |
| Other | 046.11, 046.19, 292.82, 333.4 |
| Not Otherwise Specified | 290.0, 290.10, 290.11, 290.12, 290.13, 290.20, 290.21, 290.3, 290.9, 294.1, 294.10, 294.11, 294.20, 294.21, 294.8, 331.2, 797 |
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