This page is part of the HL7 FHIR Implementation Guide: minimal Common Oncology Data Elements (mCODE) Release 1 - US Realm | STU1 (v3.0.0-ballot: STU 3 Ballot 1) based on FHIR R4. The current version which supercedes this version is 2.1.0. For a full list of available versions, see the Directory of published versions