2009AA National Drug Data File Source Information

Web site:
http://www.firstdatabank.com/products/nddf/

Authority
National Drug Data File (NDDF) Plus^™ is produced by First DataBank.

Purpose
NDDF Plus combines a comprehensive set of drug database elements, drug pricing and clinical information with multiple types of unique drug identifiers to allow flexibility in representing drugs and health conditions, enhancing clinical decision support.

Description
NDDF Plus encompasses medications approved by the U.S. Food and Drug Administration, and information on commonly-used over-the-counter and alternative therapy agents such as herbals, nutraceuticals and dietary supplements.

Metathesaurus Scope
The Metathesaurus representation of NDDF Plus includes only clinical drugs, dose forms, and ingredients.

The Metathesaurus representation of NDDF Plus contains approximately 23,124 clinical drugs, 568 dose forms, and 10,748 ingredients.

Update Frequency
NDDF Plus is updated weekly.

Metathesaurus Update Frequency
NDDF Plus is updated in each Metathesaurus release as part of RxNorm.

Sites Consulted

1. National Drug Data File (NDDF) Plus^™. San Bruno (CA): First Databank, Inc. National Drug Data File (NDDF) Plus^™; [cited 2008 Sep 28]. Available from: http://www.firstdatabank.com/products/nddf/.