| A | B | 
| case cart inventory system | provides specific products for individual surgical procedures | 
| official inventory | counted as an asset on the facility's accounting balance sheet | 
| periodic automated replenishment (PAR-level) inventory system | supplies re-stocked automatically based on established quantities for each item | 
| exchange-cart inventory system | a freshly loaded supply carts replaces an identical cart | 
| automated supply replenishment inventory systems | computerized systems that track supplies as they are issued | 
| distribution system | the movement of supplies throughout a healthcare facility | 
| just-in-time (JIT) inventory system | minimal stock kept on site; most orders delivered when needed | 
| consignment inventory system | items are owned by the vendor, stored at the healthcare facility | 
| economic order quantity | refers to items ordered in large quantities to save money | 
| total acquisition cost | all costs incurred for an item from purchase through disposal | 
| inventory stock out rate | the percentage of items not available when an order is placed | 
| ABC analysis of inventory control | the fewest items with the highest value ("A" items) get the most attention | 
| inventory turnover rate | number of times per year an inventory is purchased, consumed and replaced | 
| inventory service level | the percentage of items filled when an order is placed |