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X12-DE-355

ASC X12 data element 355 — Unit or Basis for Measurement Code.

Definition

Element 355 (Unit or Basis for Measurement Code) is aligned with UNECE Rec 20 and carries codes: EA = each, LB = pound, KG = kilogram, FT = foot, GA = gallon, BX = box, CA = case, PL = pallet. Used throughout X12 (PO1, IT1, QTY).

Origin

Published by ASC X12 in the Data Element Dictionary (TS 838). Maintained under ANSI ASC X12 governance with semi-annual reviews.

Example in context

PO1*1*100*EA*9.95~ — 100 each, unit price 9.95.

  • PO1 — PO line segment using DE 355.
  • UNECE Rec 20 — aligned unit-code list.

Last updated: May 15, 2026