{
    "id": "CTD.1",
    "type": "Field",
    "position": "CTD.1",
    "name": "Contact Role",
    "length": 250,
    "usage": "R",
    "rpt": "*",
    "dataType": "CE",
    "dataTypeName": "Coded Element",
    "tableId": "0131",
    "tableName": "Contact Role",
    "description": "This field contains the contact role that defines the relationship of the person described in this segment to the patient being referred. When a referral is inter-enterprise in nature, there are some important relationships that must be identified. For example, it may be necessary to identify the contact representative at the clinic that sent the referral. User-defined Table 0131 - Contact role is used as the HL7 identifier for the user-defined table of values for this field.",
    "sample": "",
    "fields": [
        {
            "id": "CTD.1.1",
            "type": "Component",
            "position": "CTD.1.1",
            "length": 20,
            "dataType": "ST",
            "dataTypeName": "String Data",
            "usage": "O",
            "rpt": "1",
            "tableId": null,
            "tableName": null,
            "name": "Identifier",
            "description": "Sequence of characters (the code) that uniquely identifies the item being referenced. Different coding schemes will have different elements here."
        },
        {
            "id": "CTD.1.2",
            "type": "Component",
            "position": "CTD.1.2",
            "length": 199,
            "dataType": "ST",
            "dataTypeName": "String Data",
            "usage": "O",
            "rpt": "1",
            "tableId": null,
            "tableName": null,
            "name": "Text",
            "description": "The descriptive or textual name of the identifier, e.g., myocardial infarction or X-ray impression."
        },
        {
            "id": "CTD.1.3",
            "type": "Component",
            "position": "CTD.1.3",
            "length": 20,
            "dataType": "ID",
            "dataTypeName": "Coded values for HL7 tables",
            "usage": "O",
            "rpt": "1",
            "tableId": "0396",
            "tableName": "Coding system",
            "name": "Name Of Coding System",
            "description": "Identifies the coding scheme being used in the identifier component. The combination of the identifier and name of coding system components will be a unique code for a data item. Each system has a unique identifier."
        },
        {
            "id": "CTD.1.4",
            "type": "Component",
            "position": "CTD.1.4",
            "length": 20,
            "dataType": "ST",
            "dataTypeName": "String Data",
            "usage": "O",
            "rpt": "1",
            "tableId": null,
            "tableName": null,
            "name": "Alternate Identifier",
            "description": "An alternate sequence of characters (the code) that uniquely identifies the item being referenced. See usage note in section introduction."
        },
        {
            "id": "CTD.1.5",
            "type": "Component",
            "position": "CTD.1.5",
            "length": 199,
            "dataType": "ST",
            "dataTypeName": "String Data",
            "usage": "O",
            "rpt": "1",
            "tableId": null,
            "tableName": null,
            "name": "Alternate Text",
            "description": "The descriptive or textual name of the alternate identifier. See usage note in section introduction."
        },
        {
            "id": "CTD.1.6",
            "type": "Component",
            "position": "CTD.1.6",
            "length": 20,
            "dataType": "ID",
            "dataTypeName": "Coded values for HL7 tables",
            "usage": "O",
            "rpt": "1",
            "tableId": "0396",
            "tableName": "Coding system",
            "name": "Name Of Alternate Coding System",
            "description": "Identifies the coding scheme being used in the alternate identifier component."
        }
    ]
}