ISA Interchange Control Header

To start and identify an interchange of zero or more functional groups and interchange-related control segments

Position: ISA-01 · Element: I01 · Name: Authorization Information Qualifier · Type: Identifier (ID) · Requirement: Mandatory · Min: 2 · Max: 2 · Repeat: -

Code to identify the type of information in the Authorization Information.

Position: ISA-02 · Element: I02 · Name: Authorization Information · Type: String (AN) · Requirement: Mandatory · Min: 10 · Max: 10 · Repeat: -

Information used for additional identification or authorization of the interchange sender or the data in the interchange; the type of information is set by the Authorization Information Qualifier (I01)

Position: ISA-03 · Element: I03 · Name: Security Information Qualifier · Type: Identifier (ID) · Requirement: Mandatory · Min: 2 · Max: 2 · Repeat: -

Code to identify the type of information in the Security Information.

Position: ISA-04 · Element: I04 · Name: Security Information · Type: String (AN) · Requirement: Mandatory · Min: 10 · Max: 10 · Repeat: -

This is used for identifying the security information about the interchange sender or the data in the interchange; the type of information is set by the Security Information Qualifier (I03)

Position: ISA-05 · Element: I05 · Name: Interchange ID Qualifier · Type: Identifier (ID) · Requirement: Mandatory · Min: 2 · Max: 2 · Repeat: -

Qualifier to designate the system/method of code structure used to designate the sender or receiver ID element being qualified.

Position: ISA-06 · Element: I06 · Name: Interchange Sender ID · Type: String (AN) · Requirement: Mandatory · Min: 15 · Max: 15 · Repeat: -

Identification code published by the sender for other parties to use as the receiver ID to route data to them; the sender always codes this value in the sender ID element

Position: ISA-07 · Element: I05 · Name: Interchange ID Qualifier · Type: Identifier (ID) · Requirement: Mandatory · Min: 2 · Max: 2 · Repeat: -

Qualifier to designate the system/method of code structure used to designate the sender or receiver ID element being qualified.

Position: ISA-08 · Element: I07 · Name: Interchange Receiver ID · Type: String (AN) · Requirement: Mandatory · Min: 15 · Max: 15 · Repeat: -

Identification code published by the receiver of the data. When sending, it is used by the sender as their sending ID, thus other parties sending to them will use this as a receiving ID to route data to them.

Position: ISA-09 · Element: I08 · Name: Interchange Date · Type: Date (DT) · Requirement: Mandatory · Min: 6 · Max: 6 · Repeat: -

Date of the interchange.

Position: ISA-10 · Element: I09 · Name: Interchange Time · Type: Time (TM) · Requirement: Mandatory · Min: 4 · Max: 4 · Repeat: -

Time of the interchange.

Position: ISA-11 · Element: I10 · Name: Interchange Control Standards Identifier · Type: Identifier (ID) · Requirement: Mandatory · Min: 1 · Max: 1 · Repeat: -

Code to identify the agency responsible for the control standard used by the message that is enclosed by the interchange header and trailer.

Position: ISA-12 · Element: I11 · Name: Interchange Control Version Number · Type: Identifier (ID) · Requirement: Mandatory · Min: 5 · Max: 5 · Repeat: -

This version number covers the interchange control segments.

Position: ISA-13 · Element: I12 · Name: Interchange Control Number · Type: Numeric (N0) · Requirement: Mandatory · Min: 9 · Max: 9 · Repeat: -

A control number assigned by the interchange sender

Position: ISA-14 · Element: I13 · Name: Acknowledgment Requested · Type: Identifier (ID) · Requirement: Mandatory · Min: 1 · Max: 1 · Repeat: -

Code sent by the sender to request an interchange acknowledgment (TA1)

Position: ISA-15 · Element: I14 · Name: Test Indicator · Type: Identifier (ID) · Requirement: Mandatory · Min: 1 · Max: 1 · Repeat: -

Code to indicate whether data enclosed by this interchange envelope is test or production.

Position: ISA-16 · Element: I15 · Name: Component Element Separator · Type: String (AN) · Requirement: Mandatory · Min: 1 · Max: 1 · Repeat: -

This field provides the delimiter used to separate component data elements within a composite data structure; this value must be different than the data element separator and the segment terminator