This page is part of the FHIR Specification (v4.4.0: R5 Preview #2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4 R3 R2
Vocabulary Work Group | Maturity Level: 3 | Standards Status: Trial Use |
Source | FDA Substance Registration System |
System | The URI to identify UNII codes is http://fdasis.nlm.nih.gov |
Version | If it is desired to exchange the version, use the date of the file in the UNII list download in the format YYYYMMDD |
Code | Use the value of the UNII column in the UNII List |
Display | Use the value of the PT (Preferred Term) column in the UNII List |
Inactive | Todo: Describe how it is determined which concepts are inactive |
Subsumption | No Subsumption relationships are defined by UNII |
Filter Properties | None are described yet |
To be investigated
UNII has no copyright acknowledgement needed, nor are there any license terms to adhere to.
No need for filters identified yet.
No need for implicit value sets identified yet.