Written and maintained by CASRAI Editorial Board
Last updated
Medical supply logistics is the work of moving medical products from manufacturer to the point of use and holding them in good condition on the way: purchasing, storage, repackaging, relabelling, transportation and distribution. In healthcare, materials management is the neighbouring discipline that adds planning, inventory control and the purchasing decisions behind those movements. This guide separates the two and shows who holds stock in a typical distributor-to-clinic chain. It is general information for lab and clinic staff, not medical advice.
Short answer
Medical supply logistics covers the physical flow of supplies, devices and equipment through the supply chain. Materials management in healthcare covers the same ground from the buyer’s side and also includes planning and control of what is bought and kept. The two overlap heavily, and the split below is how CASRAI uses the terms, not a formal standard.
Definition and scope
The World Health Organization’s guidance on good storage and distribution practices opens by stating that “storage and distribution are important activities in the supply chain management of medical products.” It adds that medical products “may be subjected to various risks at different stages in the supply chain, for example, purchasing, storage, repackaging, relabelling, transportation and distribution.” Those six stages are a useful working map of what logistics touches.
The Association for Health Care Resource and Materials Management (AHRMM) lists nine functional areas of healthcare materials management: purchasing, receiving, inventory management, storage and warehousing, distribution and logistics, self distribution, facility planning, clinical engineering and support services. Its page does not define the terms formally, so the table below is an editorial cross-walk of two sources, not an AHRMM or WHO definition. The table shows only the five AHRMM areas that map onto the WHO stages; the other four have no WHO stage counterpart.
| Activity | WHO stage list | AHRMM functional areas |
|---|---|---|
| Buying | Purchasing | Purchasing |
| Taking delivery | Not listed separately | Receiving |
| Holding stock | Storage | Inventory management; storage and warehousing |
| Preparing product for use | Repackaging; relabelling | Not listed separately |
| Moving product | Transportation; distribution | Distribution and logistics |
Read together, logistics is the movement-and-storage half of the picture, and materials management is the broader function that also owns purchasing and inventory control. For the research-field view of supply chains, see what supply chain management is; for the hospital buying side, see the hospital supply chain guide.
How supplies move in practice
The Administration for Strategic Preparedness and Response (ASPR) TRACIE guidance from August 2024 describes a supply chain that includes manufacturers, distributors, providers, patients, healthcare coalitions and federal programs. It describes the products as ranging “from gloves and gowns to diagnostics, to pharmaceuticals and biomedical equipment, to medical and surgical supplies, and blood products.”
Distributors sit in the middle. The document states that they often have over 5,000 types of products on hand and approximately 20 to 30 days of inventory, depending on the product, reflecting normal customer usage. It also states that most urban healthcare centers are within 50 miles of a distribution center and most distributors can deliver within 24 hours of an order. These are the document’s general descriptions of distributors, not a promise from any one supplier. The same document notes that third-party logistics providers can enable more frequent deliveries from regional or local distribution centers, with some facilities receiving up to four deliveries a day.
Once product arrives at a site, receiving, quarantine and storage rules apply; the medical warehouse guide covers that stage, and the medical supply wholesaler guide explains how wholesalers, distributors and manufacturers differ.
Delivery and stocking models: who holds the stock
ASPR TRACIE describes three arrangements that change how much a clinic or lab keeps on its own shelves. Every row below comes from that document.
| Model | What the source says | What it changes for the site |
|---|---|---|
| Just-in-time (JIT) delivery | Distributors service provider customers almost daily to keep minimal stock, or “par” levels, at the facility. | Little stock on site; the site depends on frequent deliveries. |
| Low-unit-of-measure (LUM) programs | The distributor is the central source of product and delivers to specific departments on demand, breaking product down to the “each” (for example, taking a box of 100 individually packaged items and delivering 5). | The document says these programs keep costs down and reduce labor, time and space for stocking and rotating product, but can create fragile supply-demand relationships in emergencies. |
| Caching or higher par levels | Pre-positioning means increasing product inventory in warehouses and onsite at customer facilities, which may be permanent or temporary. | More stock on site, planned in advance of expected events. |
The guidance also notes that a facility resupplied less often, or able to store more, has different needs than one that depends on frequent deliveries. For the mechanics of reorder points, see the dictionary entries for par level inventory and vendor-managed inventory.
Where it matters for labs and clinics
ASPR TRACIE lists operational vulnerabilities in the supply chain. They double as a set of questions a lab or clinic can raise with its own distributor or purchasing office. Each item is taken from the document.
- Raw materials and packaging materials: shortages upstream of the manufacturer.
- Regulatory actions, including product recalls: a recall removes product the site may already hold.
- Just-in-time ordering processes: listed by the document as a vulnerability alongside its benefits.
- Sterility and contamination issues: quality problems that stop product moving.
- Disparate data systems and data silos between suppliers and providers: each side sees only part of the picture.
- Product cycles (obsolescence): product that becomes outdated while in stock. See deadstock and obsolete medical supply inventory.
For emergency planning, the document suggests providers use the DASH tool to anticipate commonly needed supplies and consider caching or increasing par levels. It describes the Strategic National Stockpile as “a short-term, stopgap buffer,” and describes healthcare coalitions as “not direct components of the supply chain” but able to coordinate between vendors and facilities.
Common misunderstandings
Logistics is just shipping
WHO lists purchasing, storage, repackaging and relabelling alongside transportation and distribution, so storage and handling are part of the same chain of risk, not an afterthought to freight.
Materials management and logistics are the same thing
They overlap. AHRMM places distribution and logistics as one of several materials management functional areas next to purchasing, receiving and inventory management, which is why CASRAI treats logistics as the movement-and-storage part of a larger function.
Lean stock is always safer or always riskier
ASPR TRACIE presents JIT and LUM programs as efficient and also as potentially fragile in emergencies. The trade-off depends on delivery frequency and storage capacity, as the guidance notes.
Distributor lead times are guaranteed
The 24-hour and 50-mile statements describe most distributors and most urban centers in general. They are not a commitment from any specific supplier.
FAQ
What is medical supply logistics?
It is the movement and storage of medical products through purchasing, storage, repackaging, relabelling, transportation and distribution, the stages WHO names in its good storage and distribution practices guidance.
What is the difference between logistics and materials management in healthcare?
Logistics focuses on moving and storing product. Materials management, which AHRMM describes through nine functional areas, also includes purchasing, receiving and inventory management, among others. The two overlap, and CASRAI’s split is an editorial framing, not a standard.
What is materials management in healthcare?
It is the set of functions that obtain and control the supplies an organisation uses: purchasing, receiving, inventory management, storage and warehousing, and distribution and logistics, according to AHRMM’s list of functional areas.
What is a low-unit-of-measure program?
A program in which the distributor breaks product down to the “each” and delivers the quantity a department needs on demand, as ASPR TRACIE describes. Compare it with just-in-time versus bulk stocking of medical consumables.
Sources
- World Health Organization, “Good storage and distribution practices for medical products,” WHO Technical Report Series no. 1025, Annex 7, published 17 June 2020. who.int/publications/m/item/trs-1025-annex-7. Date checked: 30 October 2026.
- HHS ASPR TRACIE, “Partnering with the Healthcare Supply Chain During Disasters,” August 2024, with Healthcare Ready and HIDA. files.asprtracie.hhs.gov. Date checked: 30 October 2026.
- AHRMM, “Healthcare Supply Chain Management Resource: Logistics and Processes” (functional-area list only). ahrmm.org. Date checked: 30 October 2026.
