This code system http://hl7.org/fhir/consent-data-meaning defines the following codes:

CodeDisplayDefinition
instanceInstanceThe consent applies directly to the instance of the resource
relatedRelatedThe consent applies directly to the instance of the resource and instances it refers to
dependentsDependentsThe consent applies directly to the instance of the resource and instances that refer to it
authoredbyAuthoredByThe consent applies to instances of resources that are authored by