{
    "id": "IPC.2",
    "type": "Field",
    "position": "IPC.2",
    "name": "Requested Procedure ID",
    "length": 22,
    "usage": "R",
    "rpt": "1",
    "dataType": "EI",
    "dataTypeName": "Entity Identifier",
    "tableId": null,
    "tableName": null,
    "description": "This field is the identifier of the Requested Procedure that the workflow management IDIS selected to perform as a part of the order for the imaging service. It is a case of the Entity Identifier data type. The first component of this field is a string that identifies the Requested Procedure. A limit of sixteen (16) characters is required to allow compatibility with DICOM. This string must uniquely identify the Requested Procedure within the scope of the order (as specified by accession number). This uniqueness must persist over time. See DICOM Standard Part 3 for further details on DICOM Attribute (0040,0001) that conveys information identical to the component one of this field.",
    "sample": "",
    "fields": [
        {
            "id": "IPC.2.1",
            "type": "Component",
            "position": "IPC.2.1",
            "length": 199,
            "dataType": "ST",
            "dataTypeName": "String Data",
            "usage": "O",
            "rpt": "1",
            "tableId": null,
            "tableName": null,
            "name": "Entity Identifier",
            "description": "The first component, <entity identifier>, is usually defined to be unique within the series of identifiers created by the <assigning authority>, defined by a hierarchic designator, represented by components 2 through 4. See Section 2.A.33, \"HD - hierarchic designator\"."
        },
        {
            "id": "IPC.2.2",
            "type": "Component",
            "position": "IPC.2.2",
            "length": 20,
            "dataType": "IS",
            "dataTypeName": "Coded value for user-defined tables",
            "usage": "O",
            "rpt": "1",
            "tableId": "0363",
            "tableName": "Assigning authority",
            "name": "Namespace Id",
            "description": "The assigning authority is a unique identifier of the system (or organization or agency or department) that creates the data. Refer to User-defined Table 0363 - Assigning authority for suggested values."
        },
        {
            "id": "IPC.2.3",
            "type": "Component",
            "position": "IPC.2.3",
            "length": 199,
            "dataType": "ST",
            "dataTypeName": "String Data",
            "usage": "C",
            "rpt": "1",
            "tableId": null,
            "tableName": null,
            "name": "Universal Id",
            "description": null
        },
        {
            "id": "IPC.2.4",
            "type": "Component",
            "position": "IPC.2.4",
            "length": 6,
            "dataType": "ID",
            "dataTypeName": "Coded values for HL7 tables",
            "usage": "C",
            "rpt": "1",
            "tableId": "0301",
            "tableName": "Universal ID type",
            "name": "Universal Id Type",
            "description": null
        }
    ]
}