Welcome to AHRMM's healthcare supply chain Lexicon. This database contains terms used throughout the healthcare supply chain field. Simply click on the link to access the entire definition.
AHRMM thanks Kate Vitasek and Supply Chain Visions for their contribution of certain terms to the Lexicon. Terms supplied by Supply Chain Visions are used with permission. Supply Chain Vision’s Glossary of Supply Chain Management Terms appears on the Council of Supply Chain Management Professionals website. AHRMM also acknowledges Michael B. Neely with Perimeter Solutions Group for his role in developing healthcare-specific terms.
Zone of rate flexibilityRailroads are permitted to raise rates by a percentage increase in the railroad cost index determined by the ICC; rates may be raised by 6% per year through 1984 and 4% thereafter.
Zone of rate freedomMotor carriers are permitted to raise or lower rates by 10% in one year without ICC interference; if the rate change is within the zone of freedom, the rate is presumed to be reasonable.
Zone of reasonablenessA zone or limit within which air carriers are permitted to change rates without regulatory scrutiny; if the rate change is within the zone, the new rate is presumed to be reasonable.
Zone PickingA method of picking orders where a warehouse is divided into several pick zones with order pickers assigned to a specific zone and only picking the items in that zone, orders are moved from one zone to the next (usually on conveyor systems) as they are picked (also known as "pick-and-pass"). See also batch picking, wave picking. Also see: Batch Picking
Zone priceThe constant price of a product at all geographic locations within the zone.
Zone SkippingFor shipments via the US Postal Service, depositing mail at a facility one or more zones closer to the destination. This option would benefit customers operating in close proximity to a zone border or shipping sufficient volumes to offset additional transportation costs.
ZwitterionsIn chemistry, a zwitterion is a neutral molecule with a positive and a negative electrical charge. In medical treatments they are being attached to porous dressing film to prevent bacteria stickiness. The resulting material is slick to cells and bacteria, and it keeps a moist environment, allowing wounds to breathe and encourage healing