CMP Composite data element identification

To identify a composite data element and to give its class and maintenance operation.

Position: 010 · Element: 9146 · Name: Composite data element tag · Type: String (AN) · Requirement: Mandatory · Min: 1 · Max: 4 · Repeat: -

Tag of a composite data element.

Position: 020 · Element: 1507 · Name: Class designator, coded · Type: String (AN) · Requirement: Conditional · Min: 1 · Max: 3 · Repeat: -

To identify a designated class.

Position: 030 · Element: 4513 · Name: Maintenance operation, coded · Type: String (AN) · Requirement: Conditional · Min: 1 · Max: 3 · Repeat: -

To indicate the type of data maintenance operation for an object, such as add, delete, replace.