This code system http://hl7.org/fhir/measure-report-type defines the following codes:

CodeDisplayDefinition
individualIndividualAn individual report that provides information on the performance for a given measure with respect to a single patient
patient-listPatient ListA patient list report that includes a listing of patients that satisfied each population criteria in the measure
summarySummaryA summary report that returns the number of patients in each population criteria for the measure