This is the ValueSet that contains all the codes in Variant Confidence Status (http://hl7.org/fhir/uv/genomics-reporting/ValueSet/variant-confidence-status-vs) and Variant Confidence Status (http://hl7.org/fhir/uv/genomics-reporting/ValueSet/variant-confidence-status-vs). E.g. what you have to deal with if you get resources containing codes in either of them