Code indicating the format of a description.

When PID01 is ``F'', PID04 is not used.

Code specifying the product or process characteristic being described.

Code identifying the association assigning the code values.

Use PID03 to indicate the organization that publishes the code list being referred to.

A code from an industry code list which provides specific data about a product characteristic.

PID04 should be used for industry-specific product description codes.

If PID04 is present, then PID03 is required.

At least one of PID04 or PID05 must be present.

A free-form description to clarify the related data elements and their content.

Code indicating the product surface, layer or position that is being described.

Use PID06 when necessary to refer to the product surface or layer being described in the segment.