This is the ValueSet that contains all the codes in Metric Launch Mode (http://hl7.org/fhir/us/davinci-dtr/ValueSet/metric-launchmode) and Metric Launch Mode (http://hl7.org/fhir/us/davinci-dtr/ValueSet/metric-launchmode). E.g. what you have to deal with if you get resources containing codes in either of them