| Attribute | Schema Datatype or Enumeration | Usage | Definition | Business Rules |
|---|---|---|---|---|
| Code | text | Required | A string pattern that identifies a concept as defined by the code system | |
| System | URI | Required | Identifies the code system that defines the code. If the code is taken from a code system resource then the URL for the code system should be used. | |
| SystemName | text | Optional | Human readable name for the code system. | |
| SystemVersion | text | Optional | Identifies the version of the code system | |
| Name | text | Optional | The human readable identifier of the element or field in the external resource. Examples include : "ItemGroupDef" (for Type="ODM"), "Observation" (for Type="HL7-FHIR"), "substanceAdministration.doseQuantity" (for Type="HL7-CDA"), "OBX-5" (for field 5 ("Observation Result") for Type="HL7-v2"). | |
| href | URI | Optional | URI reference to the Code definition. | |
| CommentOID See ODM2DEV-64 | oidref | Optional | Reference to a CommentDef that provides the rationale for the use of the Concept. | Must match the OID attribute of a CommentDef element within in this Study/MetaDataVersion. |
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