This is the ValueSet that contains all the codes in IHE ITI Scheduling Snomed CT Services (https://profiles.ihe.net/ITI/Scheduling/ValueSet/sct-services) and IHE ITI Scheduling Snomed CT Services (https://profiles.ihe.net/ITI/Scheduling/ValueSet/sct-services). E.g. what you have to deal with if you get resources containing codes in either of them