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• Request
• Response

V7.0

get

/ec-dc-svc/rest/v7.0/studies/{studyId}/{mode}/dataelements/subjects/{subjectId}/items

Retrieves data elements for a list of items by subject ID, with repeat transformations if any. Separate the item IDs with commas. Up-versioned to include hdiId of DataElement

Request

Path Parameters

• mode(required): string
  Indicates the operational mode of the study. Accepted values: active, test, or training.

  Example:

  active

• studyId(required): string(UUID)
  Unique identifier of the study. Uses UUID in a 32-character uppercase hexadecimal string format.

  Example:

  ABCDEF1234567890ABCDEF1234567890

• subjectId(required): string(UUID)
  Unique identifier of the subject. Used to represent a participant enrolled in a study. Uses UUID in a 32-character uppercase hexadecimal string format.

  Example:

  HEADBEEFDEADBEEFDEADBEEFDEADBEEF

Query Parameters

• itemIds(required): string
  Item ID.The format for the item Id should be UUID, 32-character uppercase hexadecimal string

  Example:

  DEADBEEFDEADBEEFDEADBEEFDEADBEEF,GEADBEEFDEADBEEFDEADBEEFDEADBEEF

There's no request body for this operation.

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Response

Supported Media Types

• application/json

200 Response

Success

Body ()

Root Schema : schema

Type: array

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• Array of: object DataElementDto6
  Data element response with additional property linkage details

{
    "type":"array",
    "items":{
        "$ref":"#/components/schemas/DataElementDto6"
    }
}

Nested Schema : DataElementDto6

Type: object

Data element response with additional property linkage details

Show Source

• comment: string
  Minimum Length: 0

  Maximum Length: 2048

  Comment for the data element change

  Example: Captured by device
• dataFlag: string (UUID)
  Unique Data flag identifier(UUID, 32-character uppercase hexadecimal string).

  Example: 1BC29B36F5D64B1B95F4BDBBCEA481BE
• dateTimeValueUTC: string (date-time)
  Date-time value in UTC

  Example: 2025-10-16T14:30:31.892Z
• dayValue: integer (int32)
  Day part of date

  Example: 16
• eventId: string (UUID)
  Unique identifier(UUID, 32-character uppercase hexadecimal string) of the clinical event. A clinical event can be, for example: Screening, Randomization, Visit 1, etc. Uses UUID in a 32-character uppercase hexadecimal string format.

  Example: ADF5A7800A954FA5B831E7B6B9CA39A9
• eventInstanceNum: integer (int32)
  Numeric value representing the instance number of the event. Used for repeated or unscheduled visits (e.g., 1, 2, 3). It is null for scheduled events.

  Example: 1
• floatValue: number (decimal)
  Numeric decimal value

  Example: 12.34
• formId: string (UUID)
  Unique identifier(UUID, 32-character uppercase hexadecimal string) representing the clinical form.

  Example: 40DB4EF4847849CCB24EFCCB71CDA436
• formSectionId: string (UUID)
  Unique identifier of the table within a two section form or lab form. Uses UUID in a 32-character uppercase hexadecimal string format.

  Example: B6E0C7D5A1F3428C8B8B6A77C5E9D4AA
• hourValue: integer (int32)
  Hour part of time

  Example: 14
• id: string (UUID)
  Unique identifier(UUID, 32-character uppercase hexadecimal string) of the data element

  Example: 1BC29B36F5D64B1B95F4BDBBCEA481BE
• itemId: string (UUID)
  Unique identifier (UUID, 32-character uppercase hexadecimal string) of the question within a form. This ID corresponds to the reference code set by the study designer when creating or updating a form question in draft mode.

  Example: DEADBEEFDEADBEEFDEADBEEFDEADBEEF
• measureUnit: string
  Minimum Length: 0

  Maximum Length: 64

  Measurement unit

  Example: mg/dL
• minuteValue: integer (int32)
  Minute part of time

  Example: 30
• monthValue: integer (int32)
  Month part of date

  Example: 10
• normalizedUnitId: string
  Identifier of normalized unit

  Example: A78AD8C31CD843CD8B847C06C0420FF5
• normalizedValue: string
  Minimum Length: 0

  Maximum Length: 100

  Normalized value if applicable

  Example: 120
• numValue: integer (int32)
  Numeric integer value

  Example: 120
• objectVersionNumber: number
  Audit trail field that represents the version number of the data.

  Example: 14
• originatorId: string (UUID)
  An identifier representing the system, or user that initiated the transaction (UUID, 32-character uppercase hexadecimal string).

  Example: FEDCBA9876543210FEDCBA9876543210
• propertyId: string
  Unique Identfier (UUID, 32-character uppercase hexadecimal string) of data capture properties

  Example: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
• propertyVersionStart: string (date-time)
  The timestamp marking the beginning of the validity period for this record version within the system.

  Example: 2023-01-01T09:00:00Z
• reason: string
  Minimum Length: 0

  Maximum Length: 255

  Reason associated with the data element change

  Example: Initial entry
• repeatSequenceNumber: integer (int32)
  Indicates the order of occurrence for a repeating form instance, used to distinguish between multiple repetitions of the same form.

  Example: 1
• secondValue: integer (int32)
  Second part of time

  Example: 31
• siteId: string (UUID)
  Unique identifier of the site. Uses UUID in a 32-character uppercase hexadecimal string format.

  Example: ABCDEF1234567890ABCDEF1234567890
• studyId: string (UUID)
  Unique identifier of the study. Uses UUID in a 32-character uppercase hexadecimal string format.

  Example: ABCDEF1234567890ABCDEF1234567890
• studyName: string
  Minimum Length: 0

  Maximum Length: 100

  Study name

  Example: STUDY-ABC
• studyVersion(required): string
  Minimum Length: 0

  Maximum Length: 100

  String representing the version of the study. Helps track changes in form or study design.

  Example: 3.0.0.1
• subjectId: string (UUID)
  Unique identifier of the subject. Used to represent a participant enrolled in a study. Uses UUID in a 32-character uppercase hexadecimal string format.

  Example: 10F75668189F422F9A461A315D211111
• transactionEnd: string (date-time)
  The date and time at which the transaction processing completed.

  Example: 2025-10-16T14:30:31.892Z
• transactionStart: string (date-time)
  The date and time at which the transaction processing began.

  Example: 2025-10-16T14:30:31.892Z
• validationFailure: string
  Minimum Length: 0

  Maximum Length: 32767

  Validation failure details if any

  Example: Incorrect values not allowed
• validationStatus: string
  Minimum Length: 0

  Maximum Length: 25

  Validation status of the data element. The validation status can be null or SUCCESS.

  Example: SUCCESS
• value: string
  Minimum Length: 0

  Maximum Length: 4000

  Raw value captured for the item

  Example: 120
• variableId: string (UUID)
  Variable identifier (UUID, 32-character uppercase hexadecimal string) in uppercase hex format.

  Example: 0123456789ABCDEF0123456789ABCDEF
• vendorCode: string
  Minimum Length: 0

  Maximum Length: 100

  Vendor code if provided

  Example: VENDOR1
• versionStart: string (date-time)
  The timestamp marking the beginning of the validity period for this record version within the system.

  Example: 2025-10-16T14:30:31.892Z
• yearValue: integer (int32)
  Year part of date

  Example: 2025

{
    "required":[
        "studyVersion"
    ],
    "type":"object",
    "properties":{
        "id":{
            "type":"string",
            "description":"Unique identifier(UUID, 32-character uppercase hexadecimal string) of the data element",
            "format":"UUID",
            "example":"1BC29B36F5D64B1B95F4BDBBCEA481BE"
        },
        "versionStart":{
            "type":"string",
            "description":"The timestamp marking the beginning of the validity period for this record version within the system.",
            "format":"date-time",
            "example":"2025-10-16T14:30:31.892Z"
        },
        "transactionStart":{
            "type":"string",
            "description":"The date and time at which the transaction processing began.",
            "format":"date-time",
            "example":"2025-10-16T14:30:31.892Z"
        },
        "transactionEnd":{
            "type":"string",
            "description":"The date and time at which the transaction processing completed.",
            "format":"date-time",
            "example":"2025-10-16T14:30:31.892Z"
        },
        "validationStatus":{
            "maxLength":25,
            "minLength":0,
            "type":"string",
            "description":"Validation status of the data element. The validation status can be null or SUCCESS.",
            "example":"SUCCESS"
        },
        "validationFailure":{
            "maxLength":32767,
            "minLength":0,
            "type":"string",
            "description":"Validation failure details if any",
            "example":"Incorrect values not allowed"
        },
        "studyId":{
            "type":"string",
            "description":"Unique identifier of the study. Uses UUID in a 32-character uppercase hexadecimal string format.",
            "format":"UUID",
            "example":"ABCDEF1234567890ABCDEF1234567890"
        },
        "studyName":{
            "maxLength":100,
            "minLength":0,
            "type":"string",
            "description":"Study name",
            "example":"STUDY-ABC"
        },
        "studyVersion":{
            "maxLength":100,
            "minLength":0,
            "type":"string",
            "description":"String representing the version of the study. Helps track changes in form or study design.",
            "example":"3.0.0.1"
        },
        "subjectId":{
            "type":"string",
            "description":"Unique identifier of the subject. Used to represent a participant enrolled in a study. Uses UUID in a 32-character uppercase hexadecimal string format.",
            "format":"UUID",
            "example":"10F75668189F422F9A461A315D211111"
        },
        "eventId":{
            "type":"string",
            "description":"Unique identifier(UUID, 32-character uppercase hexadecimal string) of the clinical event. A clinical event can be, for example: Screening, Randomization, Visit 1, etc. Uses UUID in a 32-character uppercase hexadecimal string format.",
            "format":"UUID",
            "example":"ADF5A7800A954FA5B831E7B6B9CA39A9"
        },
        "formId":{
            "type":"string",
            "description":"Unique identifier(UUID, 32-character uppercase hexadecimal string) representing the clinical form.",
            "format":"UUID",
            "example":"40DB4EF4847849CCB24EFCCB71CDA436"
        },
        "formSectionId":{
            "type":"string",
            "description":"Unique identifier of the table within a two section form or lab form. Uses UUID in a 32-character uppercase hexadecimal string format.",
            "format":"UUID",
            "example":"B6E0C7D5A1F3428C8B8B6A77C5E9D4AA"
        },
        "repeatSequenceNumber":{
            "type":"integer",
            "description":"Indicates the order of occurrence for a repeating form instance, used to distinguish between multiple repetitions of the same form.",
            "format":"int32",
            "example":1
        },
        "itemId":{
            "type":"string",
            "description":"Unique identifier (UUID, 32-character uppercase hexadecimal string) of the question within a form. This ID corresponds to the reference code set by the study designer when creating or updating a form question in draft mode.",
            "format":"UUID",
            "example":"DEADBEEFDEADBEEFDEADBEEFDEADBEEF"
        },
        "siteId":{
            "type":"string",
            "description":"Unique identifier of the site. Uses UUID in a 32-character uppercase hexadecimal string format.",
            "format":"UUID",
            "example":"ABCDEF1234567890ABCDEF1234567890"
        },
        "variableId":{
            "type":"string",
            "description":"Variable identifier (UUID, 32-character uppercase hexadecimal string) in uppercase hex format.",
            "format":"UUID",
            "example":"0123456789ABCDEF0123456789ABCDEF"
        },
        "originatorId":{
            "type":"string",
            "description":"An identifier representing the system, or user that initiated the transaction (UUID, 32-character uppercase hexadecimal string).",
            "format":"UUID",
            "example":"FEDCBA9876543210FEDCBA9876543210"
        },
        "vendorCode":{
            "maxLength":100,
            "minLength":0,
            "type":"string",
            "description":"Vendor code if provided",
            "example":"VENDOR1"
        },
        "value":{
            "maxLength":4000,
            "minLength":0,
            "type":"string",
            "description":"Raw value captured for the item",
            "example":"120"
        },
        "measureUnit":{
            "maxLength":64,
            "minLength":0,
            "type":"string",
            "description":"Measurement unit",
            "example":"mg/dL"
        },
        "normalizedValue":{
            "maxLength":100,
            "minLength":0,
            "type":"string",
            "description":"Normalized value if applicable",
            "example":"120"
        },
        "normalizedUnitId":{
            "type":"string",
            "description":"Identifier of normalized unit",
            "example":"A78AD8C31CD843CD8B847C06C0420FF5"
        },
        "numValue":{
            "type":"integer",
            "description":"Numeric integer value",
            "format":"int32",
            "example":120
        },
        "floatValue":{
            "type":"number",
            "description":"Numeric decimal value",
            "format":"decimal",
            "example":12.34
        },
        "dateTimeValueUTC":{
            "type":"string",
            "description":"Date-time value in UTC",
            "format":"date-time",
            "example":"2025-10-16T14:30:31.892Z"
        },
        "monthValue":{
            "type":"integer",
            "description":"Month part of date",
            "format":"int32",
            "example":10
        },
        "dayValue":{
            "type":"integer",
            "description":"Day part of date",
            "format":"int32",
            "example":16
        },
        "yearValue":{
            "type":"integer",
            "description":"Year part of date",
            "format":"int32",
            "example":2025
        },
        "hourValue":{
            "type":"integer",
            "description":"Hour part of time",
            "format":"int32",
            "example":14
        },
        "minuteValue":{
            "type":"integer",
            "description":"Minute part of time",
            "format":"int32",
            "example":30
        },
        "secondValue":{
            "type":"integer",
            "description":"Second part of time",
            "format":"int32",
            "example":31
        },
        "reason":{
            "maxLength":255,
            "minLength":0,
            "type":"string",
            "description":"Reason associated with the data element change",
            "example":"Initial entry"
        },
        "comment":{
            "maxLength":2048,
            "minLength":0,
            "type":"string",
            "description":"Comment for the data element change",
            "example":"Captured by device"
        },
        "objectVersionNumber":{
            "type":"number",
            "description":"Audit trail field that represents the version number of the data.",
            "example":14
        },
        "eventInstanceNum":{
            "type":"integer",
            "description":"Numeric value representing the instance number of the event. Used for repeated or unscheduled visits (e.g., 1, 2, 3). It is null for scheduled events.",
            "format":"int32",
            "example":1
        },
        "dataFlag":{
            "type":"string",
            "description":"Unique Data flag identifier(UUID, 32-character uppercase hexadecimal string).",
            "format":"UUID",
            "example":"1BC29B36F5D64B1B95F4BDBBCEA481BE"
        },
        "propertyId":{
            "type":"string",
            "description":"Unique Identfier (UUID, 32-character uppercase hexadecimal string) of data capture properties",
            "example":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
        },
        "propertyVersionStart":{
            "type":"string",
            "description":"The timestamp marking the beginning of the validity period for this record version within the system.",
            "format":"date-time",
            "example":"2023-01-01T09:00:00Z"
        }
    },
    "description":"Data element response with additional property linkage details"
}

Examples

Select an example DataElementsBySubjectItemsV7

400 Response

Bad request.

Body ()

Root Schema : DcsResponse

Type: object

Show Source

• errorData: object ErrorResponseData
• result: object result
• status: string
• version: integer (int32)

{
    "type":"object",
    "properties":{
        "status":{
            "type":"string"
        },
        "result":{
            "type":"object"
        },
        "version":{
            "type":"integer",
            "format":"int32",
            "writeOnly":true
        },
        "errorData":{
            "$ref":"#/components/schemas/ErrorResponseData"
        }
    }
}

Nested Schema : ErrorResponseData

Type: object

Show Source

• details: object details
• errorCode: string
• errorMessage: string

{
    "type":"object",
    "properties":{
        "errorCode":{
            "type":"string"
        },
        "errorMessage":{
            "type":"string"
        },
        "details":{
            "type":"object"
        }
    }
}

Nested Schema : result

Type: object

Nested Schema : details

Type: object

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