G18 Store Category Size
To identify the shelf size of a department or product category within a retail store
Code identifying an organizational entity, a physical location, property or an individual
E0102: Only one of G18-01 or G18-02 may be present
G1801 identifies the store department.
Code indicating a code from a specific industry code list
G1802 is the product category code available from the Uniform Code Council (UCC).
Largest horizontal dimension of an object measured when the object is in the upright position
P0304: If either G18-03 or G18-04 is present, then the other is required
G1803 is the linear length or running length of the department or product category.
Code specifying the units in which a value is being expressed, or manner in which a measurement has been taken