EDIFACT PIA segment: additional product id.

The PIA segment provides additional product identifiers beyond the GTIN in the LIN segment. Common qualifiers: SA=supplier's article number (their internal SKU), IN=buyer's article number, VN=vendor's item number, UP=UPC code. A single LIN group can have multiple PIA segments for different ID types.

Tag: PIA
Full name: Additional product ID
Part of the message: Line items
Data elements: 4

A PIA segment, explained

Hover any part of the segment to see what it is. Open What your system receives to see the JSON or XML CleanEDI delivers.

PIA+1+PREMCHOC250:SA'
PIAAdditional product ID
Additional identification: PREMCHOC250 (Supplier's article number).
PIA
Additional product ID
1
Additional identification (function)
SA
Supplier's article number (item number type)
1 Function 1Additional identification
2.1 Item: Number PREMCHOC250
2.2 Item: Number type SASupplier's article number
```
{
  "suppliersArticleNumber": "PREMCHOC250"
}
```
Example shape. In production the field names and structure follow your own API contract.

PIA structure

Elements are separated by + and their parts by :. Positions match the explainer, so 2.3 is the third part of the second element.

Position	Element	Parts
1	Function	1.1 Code
2	Item	2.1 Number, 2.2 Number type
3	Item 2	3.1 Number, 3.2 Number type
4	Item 3	4.1 Number, 4.2 Number type

Function (1.1)

Code	Meaning
`1`	Additional identification
`5`	Product identification

Item: Number type (2.2)

Code	Meaning
`EN`	GTIN barcode
`SRV`	GTIN barcode
`SA`	Supplier's article number
`IN`	Buyer's item number
`BP`	Buyer's part number
`MF`	Manufacturer's article number
`UP`	UPC

Item 2: Number type (3.2)

Code	Meaning
`EN`	GTIN barcode
`SRV`	GTIN barcode
`SA`	Supplier's article number
`IN`	Buyer's item number
`BP`	Buyer's part number
`MF`	Manufacturer's article number
`UP`	UPC

Item 3: Number type (4.2)

Code	Meaning
`EN`	GTIN barcode
`SRV`	GTIN barcode
`SA`	Supplier's article number
`IN`	Buyer's item number
`BP`	Buyer's part number
`MF`	Manufacturer's article number
`UP`	UPC

Common EANCOM and UN/EDIFACT values. Your trading partner's implementation guide is the final word on which codes they send.

Questions

PIA segment FAQ

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Explain my message

What is the PIA segment in EDIFACT?

PIA is the Additional Product ID segment. The PIA segment provides additional product identifiers beyond the GTIN in the LIN segment. Common qualifiers: SA=supplier's article number (their internal SKU), IN=buyer's article number, VN=vendor's item number, UP=UPC code. A single LIN group can have multiple PIA segments for different ID types.

What are the common PIA function codes?

1 means additional identification; 5 means product identification.

Where does PIA appear in an EDIFACT message?

PIA belongs to the line items part of a message, alongside LIN, IMD, ALI, QTY, PRI, MOA.

How do I read a PIA segment in my own message?

Paste the message into the free CleanEDI explainer. It breaks every PIA segment into its elements, translates the codes and shows the JSON and XML your system would receive. Nothing you paste leaves your browser.

1	Function	`1`Additional identification
2.1	Item: Number	`PREMCHOC250`
2.2	Item: Number type	`SA`Supplier's article number