Intersection of http://hl7.org/fhir/ValueSet/observation-category and http://terminology.hl7.org/ValueSet/v3-ActClassExposure
This is the ValueSet that contains codes in both Observation Category Codes (http://hl7.org/fhir/ValueSet/observation-category) and ActClassExposure (http://terminology.hl7.org/ValueSet/v3-ActClassExposure).