Table 1.

Key identifier fields used in the GEMINI database

Key identifier field	Data type
Generic name	Text
Brand name	Text
Drug identification number (DIN)	Identifier
National drug code (NDC)	Identifier
Internal hospital code	Text
Medication components	Text

Notes: This table lists the fields that often contain drug identifying information (key identifier fields) in the GEMINI database. Other medication repositories may contain different key identifier fields, but GEMINI-RxNorm will support any number as long as they can be categorized into text or identifier data types.