FHIR Terminology Service Client is an online tool for querying FHIR terminology services.
A FHIR terminology service is a FHIR server that implements FHIR terminology service operations such as code lookup, code validation, value set expansion, and terminology translation.
FHIR Terminology Service Client is a web application for performing a code lookup on a FHIR terminology service. It allows the user to run the $lookup
operation on a code system to get information about codes.