Server Description FHIR endpoint FHIR version
NHS Digital Terminology Server Includes a number of national and internationally assured terminologies and classifications such as SNOMED CT, ICD-10, and NHS Data Model and Dictionary codes. https://ontology.nhs.uk/production1/fhir 4.0.1
HL7 New Zealand Terminology, Directory, and Conformance Server Supported code systems include SNOMED CT, New Zealand Medicines Terminology (NZMT/NZULM), and LOINC. Focused on providing terminology services in New Zealand. https://terminz.azurewebsites.net/fhir 4.0.1
SNOMED CT terminology service (part of the New Zealand Health Terminology Service) Includes the SNOMED CT terminology. https://snomednz.digital.health.nz/fhir  
Ontoserver, CSIRO Official terminology service for Australia that supports many common standard vocabularies. https://r4.ontoserver.csiro.au/fhir 4.0.1
Grahame Grieve’s reference server Grahame Grieve’s server that provides terminology services across the public FHIR community. https://tx.fhir.org/r4 4.0.1
Snowstorm X FHIR Server Includes SNOMED CT. https://snowstorm.snomedtools.org/fhir 4.0.1
LOINC Terminology Service Contains LOINC version 2.74. https://fhir.loinc.org  
VSAC FHIR Terminology Services Provides FHIR terminology services for the value sets in VSAC and supported code systems. The service requires a UMLS account. https://cts.nlm.nih.gov/fhir 4.0.1
Genomics England FHIR Terminology Server Includes multiple code systems. https://genomics.ontoserver.csiro.au/fhir 3.0.1
PHAST FHIR Terminology Server Includes multiple code systems. https://topaze.phast.fr/resources-server/api/fhir 4.0.1