Generated Narrative: NamingSystem gtin Summary Defining URL http://fhir.ch/ig/ch-term/NamingSystem/gtin Version 3.3.0 Name GTIN Status active Definition Global Trade Item Number from GS1. Publisher HL7 Switzerland Copyright CC0-1.0 Identifiers Type Value Comment OID 2.51.1.1 This is the official identifier
Global Trade Item Number from [GS1](https://www.gs1.ch/de/home).