This is the CodeSystem that contains codes in both WHO GDHCN Trust Domains (http://smart.who.int/trust/CodeSystem/Domains) and WHO GDHCN Trust Domains (http://smart.who.int/trust/CodeSystem/Domains).
This code system http://hl7.org/fhir/comparison/CodeSystem/e9551a11-854a-4d7d-ad8d-bb7ad80f47c4-9 defines codes, but no codes are represented here
| Code | Display | Definition |
| DDCC | DDCC | The Digital Documentation for COVID-19 Certificates (DDCC) is defined by the SMART Implementation Guide at http://smart.who.int/ddcc |
| IPS-PILGRIMAGE | IPS for Pilgrimage | The IPS for Pilgrimage is defined by the SMART Implementation Guide at http://smart.who.int/ips-pilgrimage |
| PH4H | Pan-American Highway for Digital Health (PH4H) | The Pan-American Highway for Digital Health (PH4H) is defined by SMART Implementation Guide at https://worldhealthorganization.github.io/smart-ph4h/ |
| ICVP | International Certificate of Vaccination of Prophylaxsis (ICVP) | The International Certificate of Vaccination of Prophylaxsis (ICVP) is defined by SMART Implementation Guide at https://worldhealthorganization.github.io/smart-icvp/ |