Clinic supply inventory: build a practical reorder system

Create one record per stocked item

Assign each stocked variant its own row. Include the manufacturer part number, local item code, location, ordering unit and the number of individual items in that unit. Separate variants that cannot be freely substituted.

Choose a counting unit that the team understands. If shelves are counted in boxes but use is recorded in individual items, document the conversion. Without this, a stock report can be numerically correct and operationally misleading.

Record who owns the item specification. When a substitute is proposed, route the question to that person or the appropriate clinical lead before changing the stock record.

Separate usable stock from other quantities

Keep usable stock, open orders and stock awaiting investigation in separate fields. A delivered item should not be treated as available simply because a shipping notification says it arrived.

Use your organization's process for damaged, expired, recalled or otherwise restricted stock. The inventory record should make its status visible so that purchasing decisions do not depend on a total that includes unavailable items.

• Item identifier and storage location.
• Counting unit and ordering-unit conversion.
• Usable quantity on hand.
• Quantity already ordered and expected arrival.
• Observed consumption and supplier lead time.
• Local reorder trigger and person responsible.

Start with the most frequently used or operationally important items. A reliable small register is more useful than a large register that nobody maintains.

Calculate a starting reorder point

For a simple planning model, multiply average daily use by replenishment lead time, then add a locally chosen buffer. Reorder point = expected use during lead time + buffer stock.

For example, suppose a hypothetical clinic uses 20 items per day, replenishment takes seven days and the team chooses a 60-item buffer. The starting reorder point is 20 × 7 + 60 = 200 items. If each box contains 100 items, the counting and ordering units must still be kept distinct.

This is a purchasing example, not a recommended clinical stock level. Set buffers with the responsible team, taking account of usage changes, delivery variability, shelf life, storage and the consequences of a shortage. A single average does not capture every situation.

Check open orders before placing another

Before reordering, review confirmed incoming quantities and their expected arrival. If an order is delayed or uncertain, record that explicitly. Avoid automatically treating an unconfirmed delivery as usable stock.

A simple inventory-position calculation is usable stock plus confirmed incoming stock minus quantities already committed. Use this only if the underlying fields are maintained consistently. The reorder trigger tells you when to review an item; the order quantity still needs to reflect your target stock, pack sizes and constraints.

For unusual demand, temporarily review the item more often rather than silently changing the meaning of the numbers.

Make stock counts a routine

Agree on who counts, which locations are covered and how discrepancies are investigated. Count at a consistent point in the workflow where possible, so one team's receipt does not appear as another team's unexplained increase.

Review expiration labeling and storage instructions as part of your existing stock process. Where expiry dates apply, organize replenishment so older suitable stock is visible. Keep restricted items clearly separate under the appropriate local procedure.

After several ordering cycles, compare planned lead times with actual arrivals and expected usage with actual use. Update the planning assumptions when the evidence changes.

Keep safety notices connected to inventory

An item record with the manufacturer, model and lot information makes it easier to investigate a notice. A product name alone may not distinguish affected stock from unaffected stock.

Read our guide to checking device labels and recalls ↗

Use the FDA's current recall information alongside the manufacturer's communications when investigating a relevant notice.

FDA: medical device recalls and early alerts ↗