Common Transaction Sets
| Code | Name | Used By | Direction |
|---|---|---|---|
| 850 | Purchase Order | Retail | Inbound from buyer |
| 855 | PO Acknowledgment | Retail | Outbound to buyer |
| 856 | Advance Ship Notice | Retail | Outbound to buyer |
| 810 | Invoice | Retail & Healthcare | Outbound |
| 837P/I/D | Medical Claims | Healthcare | Outbound to payer |
| 835 | Remittance Advice | Healthcare | Inbound from payer |
| 270 | Eligibility Inquiry | Healthcare | Outbound to payer |
| 271 | Eligibility Response | Healthcare | Inbound from payer |
| 278 | Prior Authorization | Healthcare | Bidirectional |
| 997 | Functional Acknowledgment | All | Bidirectional |
| 204 | Motor Carrier Load Tender | Logistics | Bidirectional |
| 210 | Motor Carrier Freight Invoice | Logistics | Bidirectional |
| 214 | Shipment Status | Logistics | Bidirectional |
| 753/754 | Routing Request / Instructions | Logistics | Bidirectional |
| 940/945 | Warehouse Order / Advice | Logistics | Bidirectional |
| 943/944/947 | Warehouse Transfer / Adjustment | Logistics | Bidirectional |
| 990 | Load Tender Response | Logistics | Bidirectional |
| 844 | Chargeback / Debit Memo | Retail | Inbound |
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