Assign scores (0-3) for 6 functional domains. Requires input from both patient and collateral historian.
The primary domain for staging.
Awareness of time and place.
Handling complex situations.
Functioning at work or social groups.
Maintenance of household tasks.
Basic ADLs (Dressing, Hygiene).
© OpiCalc Cognitive Center
Morris JC. (1993)
Verified
Last Review: 2026-07-17
| CDR 0 | No Impairment |
| CDR 0.5 | Very Mild / Questionable (MCI) |
| CDR 1 | Mild Dementia |
| CDR 2 | Moderate Dementia |
| CDR 3 | Severe Dementia |
Morris JC • Neurology. 1993;Vol 43, Issue 11. pp. 2412-2414. The definitive publication for the widely accepted scoring algorithm.
Last Comprehensive Review: 2026-07-17
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