DV_DATE_TIME DateTime dateTime to DV_DATE_TIME FHIRpath Cardinality Comment openEHR Cardinality Comment dateTime 0..1 value 1..1 - - accuracy 0..1 Period Period to DV_DATE_TIME Sometimes the DateTime is necessary, but only a Period is provided. Providers can decide the transform this data anyhow. FHIRpath Cardinality (FHIR) Comment openEHR Cardinality (openEHR) Comment period.start 0..1 if end is not provided value 1..1 period.end 0..1 value 1..1 openEHR→FHIR - - accuracy 0..1 DV_TIME DV_DURATION