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Lee CD, Carnahan RM, McPheeters ML. A systematic review of validated methods for identifying Bell's palsy using administrative or claims data. Vaccine. 2013 Dec 30;31 Suppl 10(31 Suppl 10). K7-11.
Abstract
To identify and assess billing, procedural, or diagnosis code, or pharmacy claims-based algorithms used to identify Bell's palsy in administrative and claims databases.