{
    "id": "CDM.1",
    "type": "Field",
    "position": "CDM.1",
    "name": "Primary Key Value - CDM",
    "length": 250,
    "usage": "R",
    "rpt": "1",
    "dataType": "CE",
    "dataTypeName": "Coded Element",
    "tableId": "0132",
    "tableName": "Transaction Code",
    "description": "This field contains the code assigned by the institution for the purpose of uniquely identifying the thing that can be charged. The key field of the entry. For example, this field would be used to uniquely identify a procedure, item, or test for charging purposes. Probably the same set of values as used in FT1-7- Transaction Code in financial messages. Must match MFE-4 - Primary Key Value - MFE. Refer to User-defined Table 0132 - Transaction for suggested values.",
    "sample": "",
    "fields": [
        {
            "id": "CDM.1.1",
            "type": "Component",
            "position": "CDM.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": "CDM.1.2",
            "type": "Component",
            "position": "CDM.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": "CDM.1.3",
            "type": "Component",
            "position": "CDM.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": "CDM.1.4",
            "type": "Component",
            "position": "CDM.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": "CDM.1.5",
            "type": "Component",
            "position": "CDM.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": "CDM.1.6",
            "type": "Component",
            "position": "CDM.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."
        }
    ]
}