Generated Narrative: NamingSystem UNII Summary Defining URL http://terminology.hl7.org/NamingSystem/UNII Version 1.0.0 Name UNII Title Unique Ingredient Identifier (UNII) Status active Definition A UNII is a non-proprietary, free, unique, unambiguous, nonsemantic, alphanumeric identifier based on a substance's molecular structure and/or descriptive information. UNII identifiers are generated based on scientific identity characteristics using ISO 11238 data elements. UNII availability does not imply any regulatory review or approval. Synonyms and mappings are based on the best public information available at the time of publication. Publisher U.S. Food and Drug Administration (FDA) Identifiers Type Value Preferred OID 2.16.840.1.113883.4.9 true URI http://fdasis.nlm.nih.gov true
A UNII is a non-proprietary, free, unique, unambiguous, nonsemantic, alphanumeric identifier based on a substance's molecular structure and/or descriptive information. UNII identifiers are generated based on scientific identity characteristics using ISO 11238 data elements. UNII availability does not imply any regulatory review or approval. Synonyms and mappings are based on the best public information available at the time of publication.