Selects patients with presumptive Alzheimer's disease. The algorithm is looking for records with a minimum of 5 visits with the Diagnosis of interest, using ICD 9 codes OR a dementia drug fill.This algorithm was validated against a curated research cohort.

Phenotype ID: 
Do Not List on the Collaboration Phenotypes List
Type of Phenotype: 
Phenotype Attributes: 
Chris Carlson
Contact Author: 
Date Created: 
Monday, February 6, 2012
Network Associations: 
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Suggested Citation

Chris Carlson. Group Health Cooperative. Dementia. PheKB; 2012 Available from: