This is the ValueSet that contains all the codes in Observation Methods (http://hl7.org/fhir/ValueSet/observation-methods) and Observation Methods (http://hl7.org/fhir/ValueSet/observation-methods). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: ValueSet a0fd4f8e-d199-4004-a7a3-e44a2fc41d55-59
This value set includes codes based on the following rules: