Written and maintained by CASRAI Editorial Board
Last updated
General procurement information, not legal or medical advice. Federal rules are cited only where they apply to federal purchases.
Short answer
A purchase order for medical supplies is the buyer’s written order to a supplier: what is wanted, how many, by when, at what stated terms. It should name each item precisely enough to be matched on receipt, and it should state the terms the buyer wants to govern, because a supplier’s acknowledgment that adds its own terms can change the outcome under general US sale-of-goods law (UCC 2-207).
Definition and scope
A purchase order (PO) is a buyer-issued document that tells a supplier what to ship. In medical and laboratory purchasing it sits between the internal request and the supplier’s invoice. The earlier step is covered in purchase requisition vs purchase order, the numbering in PO numbers, and the later matching step in three-way match. This page covers what goes on the order itself and which rules sit behind it. For a standing master contract rather than a single order, see the supply agreement template for medical supplies.
What a medical supplies purchase order should contain
Template downloads list generic fields: buyer, supplier, PO number, date, item, quantity, price, shipping and payment terms. The table below goes further and ties each element to a rule that states it. Federal rows apply to purchases by federal agencies; they are a documented reference point, not a requirement on every private buyer.
| PO element | What the source states | Source and scope |
|---|---|---|
| Quantity or scope | Purchase orders shall “specify the quantity of supplies or scope of services ordered.” | FAR 13.302-1(b)(1), federal acquisition |
| Delivery date | Purchase orders shall “contain a determinable date by which delivery of the supplies or performance of the services is required.” | FAR 13.302-1(b)(2), federal acquisition |
| Inspection and acceptance | Purchase orders shall provide for inspection as prescribed in FAR part 46; receiving reports are made immediately upon receipt and acceptance of supplies. | FAR 13.302-1(b)(3), federal acquisition |
| Delivery point | Specify f.o.b. destination for supplies delivered within the United States except Alaska or Hawaii, unless there are valid reasons to the contrary. | FAR 13.302-1(b)(4), federal acquisition |
| Discounts | Include any trade and prompt payment discounts that are offered. | FAR 13.302-1(b)(5), federal acquisition |
| Price basis | Purchase orders “generally are issued on a fixed-price basis.” | FAR 13.302-1(a), federal acquisition |
| Device identity | The device identifier (DI) is the fixed part of a UDI and identifies the labeler and the specific version or model of a device. | FDA, UDI Basics |
| Procurement record | Recipients of federal awards must keep records sufficient to detail the history of each procurement transaction. | 2 CFR 200.318(i), federal award recipients only |
Identifying the item: catalog number, DI and unit of measure
The FDA describes a unique device identifier (UDI) as a code that generally has a device identifier (DI), a mandatory fixed portion identifying the labeler and the specific version or model, and, when applicable, a production identifier (PI), a variable portion that can identify lot or batch, serial number or expiration date. The FDA also states that its GUDID database contains only the DI and does not include the PI.
For a PO, the practical reading (editorial interpretation, not an FDA requirement) is that the DI or the supplier’s catalog number can name what is being ordered, while lot and expiration data appear on the label and are checked at receiving, not looked up in GUDID. The FDA page does not say a PO must carry a UDI. Pack size matters as much as the item: see unit of measure for why “each,” “box” and “case” lines are matched differently.
Terms and conditions: why seller paperwork can matter
Suppliers often reply with an acknowledgment or invoice carrying their own terms. Under UCC 2-207 (the model text published by Cornell LII; state enactments vary), a definite and seasonable expression of acceptance operates as acceptance “even though it states terms additional to or different from those offered,” unless the acceptance is expressly made conditional on assent to those terms. Between merchants, additional terms become part of the contract unless the offer expressly limits acceptance to its terms, they materially alter it, or objection is given within a reasonable time. Where both parties’ conduct shows a contract, its terms are those on which the writings agree plus the UCC’s gap-fillers.
Purchase order terms and conditions for medical supplies
The editorial takeaway: a PO that says nothing about limits on acceptance leaves more room for a supplier’s added terms. Payment timing is one commonly negotiated term; see EOM payment terms for medical supply orders. Contract-level terms belong in a supply agreement; ask counsel about enforceability in your state.
Medical supply purchase order template
A template is only a field list. Use the table above to check that yours captures item identity, quantity, delivery date, inspection, delivery point and terms, then add organisation-specific fields such as cost centre and approver.
Where it matters for labs, clinics and supply decisions
The PO is the document later matched against the packing slip and invoice (three-way match; two-way match where no receiving record is used). A line that names the wrong pack size or lacks a delivery date gives that match nothing firm to test against. Within the wider flow, see procure-to-pay. For federally funded work, 2 CFR 200.318 also states that recipients must oversee contractors so they perform in accordance with their terms, conditions, specifications or purchase orders, and avoid unnecessary or duplicative purchases.
Common misunderstandings
- “A PO is a contract the moment I send it.” A PO is the buyer’s order. Whether and on what terms a contract forms depends on acceptance, and UCC 2-207 addresses acceptances that add terms.
- “The FAR list applies to every purchase.” FAR 13.302-1 governs federal purchase orders. Private buyers can use it as a reference only.
- “GUDID will give me lot and expiry.” GUDID holds the DI only, not the PI.
- “FDA requires a UDI on the PO.” The FDA UDI Basics page does not say so.
FAQ
What is a purchase order?
A buyer’s written order to a supplier naming goods, quantity, delivery date and terms. FAR 13.302-1 lists required content for federal purchase orders but does not itself define the term.
What terms should a medical supplies purchase order include?
At a minimum those in the table above: item, quantity, delivery date, inspection, delivery point and any discounts, plus the terms you want to govern. Legal wording should be reviewed by counsel.
Is there a standard medical supply purchase order template?
No single standard form applies to all purchasers. The federal rule in FAR 13.302-1 specifies required content, not a template.
Sources
- FAR 13.302-1, Content of purchase orders: acquisition.gov/far/13.302-1 (checked 2026-11-01).
- UCC 2-207, Additional terms in acceptance or confirmation: law.cornell.edu/ucc/2/2-207 (checked 2026-11-01).
- FDA, UDI Basics: fda.gov UDI Basics (checked 2026-11-01).
- 2 CFR 200.318, General procurement standards: law.cornell.edu/cfr/text/2/200.318 (checked 2026-11-01).
