PTCB Supply Chain study materials
PTCB Supply Chain study resources

PTCB Supply Chain key terms

PTCB Supply Chain · Get comfortable with the vocabulary.

Purchase order (PO)

A formal document a buyer sends to a supplier that lists the items, quantities, and agreed prices being ordered; once accepted it becomes the record both parties rely on for the transaction.

Related: Purchase requisition, Backorder, Receiving
Purchase requisition

An internal request asking the purchasing department to buy a specific item; it is reviewed and approved before anyone issues a purchase order to a supplier.

Related: Purchase order (PO), Prime vendor agreement
Prime vendor agreement

A contract that names one wholesaler as the main source for most of a pharmacy's drug purchases, usually in exchange for better pricing and more dependable delivery.

Related: Wholesaler, Secondary wholesaler, Group purchasing organization (GPO)
Wholesaler

A licensed distributor that buys products from manufacturers and resells them to pharmacies and other buyers, handling storage, delivery, and often returns and credit.

Related: Prime vendor agreement, Secondary wholesaler, Backorder
Secondary wholesaler

An additional distributor used to fill gaps when the main supplier cannot ship an item; purchases from these sources usually cost more and require the same license checks.

Related: Wholesaler, Prime vendor agreement, Drug shortage
Group purchasing organization (GPO)

An organization that combines the buying volume of many member facilities to negotiate lower contract prices from manufacturers and distributors than members could obtain alone.

Related: Contract price, Prime vendor agreement
Contract price

The negotiated unit cost a pharmacy pays for an item under a specific purchasing agreement; it stays fixed for the contract term and differs from open market pricing.

Related: Group purchasing organization (GPO), Prime vendor agreement
Backorder

An ordered item the supplier cannot ship right away but intends to fill later; it stays open on the order record until the product arrives or the line is cancelled.

Related: Drug shortage, Purchase order (PO), Receiving
Drug shortage

A supply disruption in which manufacturers cannot meet demand for a product, forcing buyers to find alternatives, ration remaining stock, or purchase from other sources.

Related: Backorder, Secondary wholesaler, Safety stock
Vendor qualification

The process of verifying that a supplier holds valid licenses, is authorized to handle the product, and meets the pharmacy's standards before any order is placed.

Related: Wholesaler, Drug Supply Chain Security Act (DSCSA)
Par level

The target quantity of an item that should be on the shelf after restocking; staff order up to this number, which is set from typical usage between deliveries.

Related: Minimum/maximum levels, Reorder point
Minimum/maximum levels

A two-number ordering rule in which an order is placed when stock falls to the minimum and sized to bring the item back up to the maximum.

Related: Par level, Reorder point, Safety stock
Reorder point

The stock quantity that triggers a new order; it is calculated from how fast the item is used and how long delivery takes, plus a cushion.

Related: Safety stock, Minimum/maximum levels
Safety stock

Extra inventory held beyond expected need to absorb unexpected demand or late deliveries so that patient care is not interrupted.

Related: Reorder point, Drug shortage
ABC analysis

A ranking of inventory by value and usage so that the most expensive or most heavily used items receive the closest monitoring and the most frequent counting.

Related: Cycle count, Perpetual inventory
Perpetual inventory

A running quantity record updated with every receipt, dispense, and return, so staff can see current on-hand amounts at any time rather than waiting for a physical count.

Related: Cycle count, Physical inventory
Cycle count

Counting a small, rotating portion of inventory on a schedule instead of counting everything at once; differences are investigated and corrected immediately.

Related: Perpetual inventory, Physical inventory, Audit trail
Physical inventory

A complete hands-on count of all stock at one point in time, usually scheduled or done at year end, then reconciled against the inventory record.

Related: Cycle count, Perpetual inventory
First in, first out (FIFO)

A stocking method in which the oldest product is placed in front and used first, so older stock moves out before it can expire on the shelf.

Related: Expiration date, Dead stock
Expiration date

The manufacturer's last date on which the product is guaranteed to meet its labeled specifications; it drives stock rotation, removal, and return decisions.

Related: First in, first out (FIFO), Expired product return
Temperature excursion

A period when stored product goes outside its labeled temperature range, such as a refrigerator warming above the allowed limit; affected stock is quarantined and evaluated.

Related: Quarantine, Suspect product
Dead stock

Items with no usage over an extended period that tie up money and shelf space; they are candidates for return, transfer, or write-off.

Related: First in, first out (FIFO), Expired product return
Receiving

The process of checking an incoming shipment against the order and paperwork for identity, quantity, condition, and temperature before the product enters stock.

Related: Packing slip, Discrepancy, Quarantine
Packing slip

The document inside a shipment listing what the supplier says was sent; staff compare it item by item with the goods that actually arrived and with the purchase order.

Related: Receiving, Discrepancy
Discrepancy

Any mismatch among the order, the paperwork, and the goods received, such as a short shipment, wrong item, overage, or damage; it is documented and reported to the supplier.

Related: Receiving, Return goods authorization (RGA)
Return goods authorization (RGA)

A supplier-issued approval number that lets a pharmacy send product back; it ensures the return is tracked and the correct credit is issued.

Related: Discrepancy, Expired product return, Reverse distributor
Reverse distributor

A licensed company that collects expired, damaged, or recalled drugs, including controlled substances, and manages their return or destruction with proper documentation.

Related: Expired product return, DEA Form 222, Quarantine
Expired product return

The routine of pulling outdated stock from the shelf, documenting what was removed, and sending it back for credit or to a reverse distributor for disposal.

Related: Expiration date, Return goods authorization (RGA), Reverse distributor
Quarantine

A physically separate, clearly labeled holding area for product that cannot be used yet, such as recalled, expired, damaged, or suspect items awaiting a decision.

Related: Recall, Suspect product, Temperature excursion
Recall

An action by a manufacturer or the FDA to remove a product from the market because of a defect or safety risk; the pharmacy must find, pull, and document affected stock.

Related: Recall classification, Quarantine, Mock recall
Recall classification

The FDA's severity ranking for a recall: Class I when use is likely to cause serious harm or death, Class II for temporary or reversible harm, and Class III when harm is unlikely.

Related: Recall, Mock recall
Mock recall

A practice drill in which staff trace a lot through purchasing, receiving, and dispensing records to prove the pharmacy could respond quickly to a real recall.

Related: Recall, Lot number
Drug Supply Chain Security Act (DSCSA)

Federal law requiring prescription drug trading partners to exchange product tracing data, apply serialized product identifiers, and quarantine suspect product before distribution.

Related: Product identifier, Suspect product
Product identifier

The DSCSA-required code on a prescription package that combines the NDC, a serial number, the lot number, and the expiration date so the unit can be verified and traced.

Related: Drug Supply Chain Security Act (DSCSA), Lot number, National Drug Code (NDC)
Suspect product

Product the pharmacy has reason to believe may be counterfeit, stolen, contaminated, or otherwise illegitimate; it must be quarantined and investigated rather than dispensed or returned to stock.

Related: Quarantine, Drug Supply Chain Security Act (DSCSA)
Lot number

A manufacturer's code identifying the production batch of a product; it is captured at receiving so specific units can be traced and pulled during a recall.

Related: Recall, Mock recall, Product identifier
DEA Form 222

The federal order form used to purchase Schedule I and II controlled substances; it must be completed accurately and the records kept available for inspection.

Related: Reverse distributor, Audit trail
Audit trail

A chronological record of who did what and when inside a system, such as an adjustment, receipt, or dispense, used to investigate errors and unexplained inventory differences.

Related: Perpetual inventory, Cycle count
Standard operating procedure (SOP)

A written, approved, step-by-step instruction for a routine task such as receiving a shipment or processing a recall, followed by staff and reviewed on a set schedule.

Related: Receiving, Recall
National Drug Code (NDC)

The number identifying a drug's labeler, product, and package size; it appears on orders, invoices, and tracing records and is used for billing and inventory.

Related: Product identifier, Lot number