HL

Hierarchical Level

Pos: 010	Max: 1
Detail - Mandatory
Loop: HL	Elements: 3

Ref

Id

Element Name

Req

Type

Min/Max

Usage

HL01

628

Hierarchical ID Number
Description: A unique number assigned by the sender to identify a particular data segment in a hierarchical structure

M

AN

1/12

Must use

HL02

734

Hierarchical Parent ID Number
Description: Identification number of the next higher hierarchical data segment that the data segment being described is subordinate to

O

AN

1/12

Used

HL03

735

Hierarchical Level Code
Description: Code defining the characteristic of a level in a hierarchical structure
User Note 1: S - Shipment
O - Order
T - Shipping Tare
P - Pack
I - Item

M

ID

1/2

Must use

1.

The HL segment is used to identify levels of detail information using a hierarchical structure, such as relating line-item data to shipment data, and packaging data to line-item data.