What Patterson Veterinary expects in the 856
Patterson Veterinary trades on X12 4010 over AS2. Patterson Veterinary's 856 follows the standard X12 layout — no partner-specific companion-guide quirks are curated for this document yet. The certified base map covers the standard requirements, and validation still runs against the 856 spec before anything transmits.
How EDISQ maps it
The certified Patterson Veterinary 856 map loads when you enable the partner — fields auto-map from NetSuite, QuickBooks, Dynamics, and 33 other systems, validation runs against Patterson Veterinary's spec before transmission, and the sandbox replays Patterson Veterinary test scenarios until everything passes.
Common rejection reasons
Nearly all 856 rejections trace to reference data, not syntax: identifiers that don't match Patterson Veterinary's cross-references, echoed fields dropped from the original PO, or timing that misses the program window. EDISQ flags each before Patterson Veterinary ever sees the document.
Sample Patterson Veterinary 856
A representative 856 interchange addressed to Patterson Veterinary — envelope, shipment→order→pack→item hierarchy, and control totals:
1ISA*00* *00* *ZZ*ACMESUPPLY *ZZ*PATTERSONVETERI*260101*1200*U*00401*000000001*0*P*>~ 2GS*SH*ACMESUPPLY*PATTERSONVETERI*20260101*1200*1*X*004010~ 3ST*856*0001~ 4BSN*00*SHIP0001*20260101*1200*0001~ 5HL*1**S~ 6TD1*CTN25*3****G*180*LB~ 7TD5*B*2*UPSN*M~ 8REF*BM*BOL000123~ 9DTM*011*20260105~ 10N1*ST*PATTERSON VETERINARY DC 5093*92*5093~ 11HL*2*1*O~ 12PRF*PO12345~ 13HL*3*2*P~ 14MAN*GM*00000123450000000017~ 15HL*4*3*I~ 16LIN**UP*012345678905~ 17SN1**24*EA~ 18CTT*4~ 19SE*17*0001~ 20GE*1*1~ 21IEA*1*000000001~
FAQ
Which 856 version does Patterson Veterinary use?
X12 4010, delivered over AS2. The certified map tracks Patterson Veterinary's current companion guide.
How do I test a Patterson Veterinary 856?
The sandbox generates realistic Patterson Veterinary 856 scenarios against your live mapping — free, unlimited, invisible to Patterson Veterinary.
What does it cost?
Per document only: first 25/month free, then from $0.50, decreasing with volume. No partner or mapping fees.