Where to Buy Heparin Blood Collection Tubes in the U.S.: Manufacturers, Suppliers, and Buying Guide

Summary

• Major U.S. sources for Heparin phlebotomy tubes include manufacturers such as BD and Greiner Bio-One, national distributors such as McKesson, Cardinal Health, Medline, Fisher Scientific, Avantor, and Thomas Scientific, and medical-supply dealers serving clinics and laboratories.
• Buyers should match the tube’s anticoagulant, specimen type, fill volume, size, sterility, Separator Gel, expiration date, and intended analyzer to the laboratory’s validated testing procedures.
• Pricing and availability vary by brand, order quantity, contract status, backorder conditions, and shipping requirements, so purchasers should compare product specifications and verify regulatory and quality documentation before ordering.

Heparin tubes are widely used in hospitals, physician offices, outpatient laboratories, emergency departments, research facilities, and Mobile Phlebotomy services across the United States. They are most commonly associated with green-top blood collection tubes and are used when laboratories need plasma for chemistry, special chemistry, blood gas, molecular, or other validated tests.

Purchasing these tubes can appear straightforward, but the market includes several Anticoagulant types, tube sizes, separator configurations, sterility options, and manufacturer-specific product codes. A tube described simply as a “green-top Heparin tube” may contain lithium Heparin, sodium Heparin, or lithium Heparin combined with a plasma Separator Gel. Those products are not automatically interchangeable for every test.

U.S. buyers can obtain Heparin tubes directly from medical-device manufacturers, through national healthcare distributors, from laboratory-supply companies, and through group purchasing organizations or regional dealers. The best source depends on the buyer’s volume, required brand, Laboratory Information System, shipping location, contract terms, and testing menu.

What Are Heparin Tubes Used For?

Heparin is an Anticoagulant that prevents clot formation by enhancing the activity of antithrombin and inhibiting several clotting factors. In blood collection, the purpose is to produce plasma rather than serum. Plasma contains fibrinogen and other clotting proteins, while serum is obtained after blood has clotted.

Green-top tubes are commonly selected for tests that require plasma and rapid processing. Lithium-Heparin plasma is frequently used for routine clinical chemistry testing, including many electrolyte, metabolic, and enzyme assays. Some point-of-care blood gas systems use balanced Heparin syringes or specialized heparinized collection devices rather than ordinary evacuated tubes.

Common configurations include:

1. Lithium Heparin tubes: These are frequently used for general plasma chemistry. Lithium Heparin is often preferred when the laboratory will measure sodium because sodium Heparin could introduce an unwanted sodium contribution.

2. Sodium Heparin tubes: These are used for selected chemistry, immunology, cytogenetics, and specialized applications. They may be appropriate when lithium interference is a concern, but the laboratory must confirm suitability for the specific assay.

3. Lithium-Heparin plasma separator tubes: These contain both Heparin and a gel barrier. After centrifugation, the gel separates plasma from cells, which may simplify handling and reduce cellular contact during transport.

4. Specialized heparinized devices: These may include blood gas syringes, capillary collection devices, Microcollection Tubes, and tubes designed for research or highly specialized laboratory procedures.

The color of a tube is only a visual indicator. It is not a substitute for reviewing the label, package insert, manufacturer instructions, or laboratory procedure. Color conventions can vary by product category and country, and some facilities use more than one green-top configuration.

Leading Manufacturers Available in the United States

BD

BD, formerly known as Becton, Dickinson and Company, is one of the most recognized manufacturers of evacuated blood collection systems in the United States. Its Vacutainer product family includes green-top tubes with lithium Heparin, sodium Heparin, and plasma separator configurations.

BD products are commonly purchased by hospitals and laboratories because many institutions already use BD needles, holders, transfer devices, and tube-management systems. Buyers can often maintain consistency across the entire collection process by purchasing tubes and accessories from the same manufacturer.

When evaluating BD Heparin tubes, purchasers should check whether the item is a standard tube or a plasma separator tube, determine the nominal draw volume, and confirm whether the product is sterile or nonsterile. The product code and package quantity should also be recorded because visually similar tubes may have different additives or dimensions.

Greiner Bio-One

Greiner Bio-One supplies the VACUETTE line of evacuated blood collection products in the U.S. market. Its offerings include lithium-Heparin and sodium-Heparin tubes, as well as plasma preparation tubes and other collection accessories.

Greiner Bio-One is a significant alternative to BD for health systems seeking a second qualified source or a standardized non-BD collection platform. Its tubes are distributed through laboratory and medical-supply channels, and availability may differ by region and contract arrangement.

Greiner’s product specifications should be reviewed carefully when switching from another manufacturer. Differences can occur in tube material, gel formulation, draw volume, stopper design, recommended centrifugation conditions, and compatibility with automated laboratory equipment.

Other Specialized and Private-Label Manufacturers

The U.S. market also includes specialty manufacturers and private-label suppliers. Some produce evacuated tubes for routine clinical use, while others focus on research, veterinary medicine, Toxicology, molecular testing, or point-of-care applications. Certain distributors sell tubes under their own brand names or source them from multiple manufacturing partners.

Private-label products can be cost-effective, particularly for high-volume facilities, but a lower purchase price should not be the only consideration. The buyer should request documentation showing the additive concentration, tube dimensions, expiration period, quality controls, regulatory status, and intended use.

National U.S. Distributors That Commonly Offer Heparin Tubes

National distributors often provide the most convenient purchasing route for hospitals, clinics, independent laboratories, and physician practices. They may stock multiple brands and sizes, provide consolidated invoicing, and integrate orders with institutional procurement systems. However, inventory changes frequently, so a distributor’s current catalog or customer-service department should be used to confirm availability.

McKesson

McKesson is a major U.S. healthcare distributor that supplies medical and laboratory products to hospitals, physician offices, clinics, and other healthcare organizations. Its catalog may include BD, Greiner Bio-One, and other brands of green-top lithium-Heparin and sodium-Heparin tubes.

McKesson can be especially useful for organizations that already have a distribution agreement and want to consolidate phlebotomy supplies with gloves, needles, syringes, specimen bags, and other consumables. Contract pricing, minimum order requirements, and regional fulfillment can affect the final cost.

Cardinal Health

Cardinal Health distributes a broad range of laboratory and medical products in the United States. Hospitals and integrated delivery networks may purchase Heparin tubes through Cardinal’s medical-supply channels, private-label programs, or manufacturer-specific contracts.

Institutional buyers should ask whether a quoted product is manufacturer-branded or Cardinal-branded and whether the item is available under the organization’s existing purchasing agreement. Cardinal may also be able to support recurring scheduled orders for high-volume facilities.

Medline

Medline provides medical and laboratory supplies to hospitals, ambulatory surgery centers, clinics, long-term care organizations, and physician offices. Its catalog and sales channels may include green-top tubes and related blood-collection supplies from multiple brands.

Medline is often considered by buyers that want to consolidate routine supplies. A clinic purchasing Heparin tubes should also compare the available needle-and-holder systems, specimen labels, transport bags, and sharps containers because compatibility and standardization can reduce collection errors.

Fisher Scientific

Fisher Scientific serves clinical laboratories, hospitals, universities, biotechnology companies, pharmaceutical manufacturers, and research institutions. It commonly lists products from major blood-collection manufacturers and may offer several Heparin tube formats.

Fisher is particularly useful when the purchaser needs both clinical collection supplies and research laboratory materials. Buyers should make sure that a product intended for research use is not being substituted for a clinical diagnostic collection tube unless the laboratory has confirmed that the product is appropriate for its intended application.

Avantor and VWR

Avantor, including the VWR distribution channel, supplies laboratory and healthcare products to clinical, academic, industrial, and research customers. Its offerings may include evacuated blood collection tubes, heparinized containers, blood gas products, and accessories.

Because Avantor serves several markets, purchasers should review the product’s stated intended use. A research tube and a clinical specimen-collection tube may have similar appearances but different labeling, documentation, validation history, and regulatory positioning.

Thomas Scientific

Thomas Scientific is a laboratory-supply distributor that serves clinical, research, industrial, and healthcare customers. It may offer Heparin tubes from established manufacturers as well as specialty collection products.

Thomas Scientific can be useful for smaller laboratories, universities, contract research organizations, and facilities that need less common tube types. Product availability can vary, so buyers should verify whether the listing represents stock inventory, a special-order product, or a manufacturer-direct shipment.

Henry Schein and Regional Medical-Supply Dealers

Henry Schein supplies products to medical and dental practices and may offer phlebotomy consumables through its healthcare distribution channels. Regional medical-supply dealers also frequently sell Heparin tubes, particularly to physician offices, urgent-care centers, occupational-health clinics, and home-draw services.

For smaller practices, a local dealer may provide more responsive service than a large national distributor. However, buyers should compare lot traceability, expiration dates, return policies, freight charges, and storage conditions before choosing a supplier solely because of a lower unit price.

How to Select the Correct Heparin Tube

The most important purchasing decision is not the supplier name but the exact tube specification. A laboratory should first identify every assay that will use the tube and then confirm the acceptable specimen type with the test manufacturer and the laboratory’s medical director or technical supervisor.

Choose the Correct Heparin Type

Lithium Heparin is often selected for routine plasma chemistry because it generally avoids adding sodium to the specimen. Sodium Heparin may be necessary for selected applications, including some specialized studies. Ammonium Heparin and other formulations exist for specific purposes but are not interchangeable with standard lithium-Heparin tubes.

Purchasers should be cautious about using lithium-Heparin plasma for tests involving lithium measurement. Similarly, a sodium-Heparin tube may be unsuitable for sodium testing if the additive could affect the reported concentration. The laboratory’s test directory should identify the required tube for each assay.

Decide Whether a Gel Separator Is Needed

A plasma separator tube contains a gel that forms a barrier between plasma and blood cells after centrifugation. This configuration can improve Workflow and reduce the need to transfer plasma to another container. It can also support transport when the validated procedure requires a stable barrier.

However, gel tubes are not universally suitable. Some analytes, therapeutic drugs, trace elements, molecular procedures, or specialized assays may be affected by gel contact, adsorption, contamination, or the centrifugation process. The laboratory should verify suitability before replacing plain Heparin tubes with plasma separator tubes.

Confirm Tube Volume and Dimensions

Common evacuated-tube volumes include approximately 2 mL, 3 mL, 4 mL, 5 mL, 6 mL, 7 mL, and 8 mL, although availability varies by manufacturer and product line. Pediatric and Geriatric Patients may require lower-volume tubes to reduce blood loss.

The nominal fill volume affects the blood-to-additive ratio. Underfilling can change the effective concentration of Anticoagulant in the specimen and may affect test performance. Overfilling can also create handling problems. The tube should be selected based on the assay requirement and the patient population rather than simply the lowest unit price.

Review Sterility and Packaging

Many routine evacuated blood collection tubes are supplied in bulk packaging and are not individually sterile in the same way as invasive devices. Some specialized products are sterile or individually packaged. The correct choice depends on the collection procedure, the specimen application, and the facility’s infection-control policy.

Purchasers should record whether tubes are supplied in boxes, cases, racks, or individually wrapped packages. Packaging affects storage space, inventory rotation, contamination risk, and handling efficiency.

Relevant U.S. Regulations and Professional Standards

Heparin tubes used for clinical specimen collection are medical devices subject to U.S. regulatory requirements. The U.S. Food and Drug Administration regulates medical devices, including blood collection tubes and related accessories. Buyers should verify that the product is appropriately labeled for its intended use and that the manufacturer provides the documentation required by the facility.

Clinical laboratories operating under the Clinical Laboratory Improvement Amendments, or CLIA, must follow procedures that support accurate and reliable testing. Tube selection, specimen handling, centrifugation, storage, and rejection criteria should be documented in the laboratory’s quality system.

The Clinical and Laboratory Standards Institute publishes widely used consensus guidance for blood collection, specimen handling, venous sampling, and order of draw. Although not every CLSI document is a federal regulation, these standards are commonly used by laboratories when developing procedures and evaluating collection products.

The Occupational Safety and Health Administration regulates workplace exposure to bloodborne pathogens. Employers must maintain exposure-control plans, provide appropriate personal protective equipment, train staff, and use engineering controls such as approved sharps containers. A Heparin tube purchase should therefore be evaluated as part of the entire blood-collection system, including needles, holders, transfer devices, labels, transport containers, and spill-control supplies.

Pricing, Contracts, and Supply-Chain Considerations

The price of a Heparin tube depends on the manufacturer, tube size, gel or nongel design, box quantity, case quantity, contract status, and shipping location. Publicly displayed prices are often higher than negotiated hospital or group-purchasing prices. Small clinics may pay more per tube but avoid large minimum orders and excessive inventory.

Healthcare supply costs have received increased attention since the Covid-19 pandemic. Reports from the U.S. Government Accountability Office, the Department of Health and Human Services, and healthcare industry organizations have described medical-supply disruptions, transportation delays, manufacturer concentration, and shortages affecting clinical operations. While the availability of Heparin tubes changes over time, these reports demonstrate why many laboratories maintain approved substitute products and more than one qualified supplier.

A sound purchasing program should include:

1. Par-level monitoring: Establish minimum and maximum inventory levels based on average daily use, lead time, seasonal demand, and emergency reserve needs.

2. Lot and expiration tracking: Rotate stock using first-expire, first-out procedures and avoid accumulating more tubes than the facility can use before expiration.

3. Dual-source planning: Qualify an alternate brand or distributor before a shortage occurs rather than attempting an emergency substitution.

4. Contract review: Compare unit price, freight, minimum order quantity, payment terms, backorder policy, and return conditions.

5. Quality documentation: Retain invoices, lot numbers, certificates, product inserts, and supplier communications according to the laboratory’s quality-management policy.

Questions to Ask a Potential Supplier

Before placing a large or recurring order, a purchaser should ask the supplier for precise product information. A professional supplier should be able to identify the manufacturer, catalog number, additive, nominal draw volume, tube material, expiration period, packaging configuration, and intended use.

Important questions include:

1. Is the tube filled with lithium Heparin, sodium Heparin, or another Heparin formulation?

2. Does the tube contain a plasma Separator Gel?

3. What is the nominal draw volume and minimum acceptable fill?

4. Is the product intended for clinical diagnostic collection, research, veterinary use, or another application?

5. What is the current expiration date or typical remaining shelf life at shipment?

6. How are the tubes stored and transported?

7. Are the tubes compatible with the facility’s centrifuges, analyzers, automation lines, and tube racks?

8. Can the supplier provide lot traceability and notification of product changes?

9. What happens if the order is backordered, short-shipped, damaged, or delivered with insufficient shelf life?

10. Is the product covered by an existing hospital, laboratory, or group-purchasing contract?

Evaluating a New Brand or Substitute Product

Changing tube brands should be treated as a controlled laboratory change, not merely a purchasing change. Even when two products carry the same color designation and additive name, differences in tube materials, gel composition, Anticoagulant concentration, stopper design, vacuum strength, and manufacturing processes can affect specimen quality.

The laboratory should conduct a documented evaluation based on the tests that will use the new tube. Depending on the scope of the change, the evaluation may include specimen appearance, hemolysis rates, clot detection, analyzer performance, sample volume, stability, centrifugation conditions, and comparison with the currently used tube.

Clinical and Laboratory Standards Institute guidance, manufacturer instructions, accreditation requirements, and the laboratory’s own validation policy should guide the process. The technical supervisor or laboratory director should approve the change before routine use.

Staff training is also important. A new tube may require a different order of draw, mixing technique, inversion count, centrifugation time, transport position, or storage condition. These details should be included in the standard operating procedure and communicated to phlebotomists, nurses, medical assistants, couriers, and accessioning staff.

Common Purchasing Mistakes

One frequent mistake is ordering by color alone. A buyer may request “green tubes” without specifying whether the facility needs lithium Heparin, sodium Heparin, gel, nongel, standard volume, pediatric volume, or a particular tube material. This can result in a product that looks correct but is not validated for the intended assays.

Another mistake is purchasing research-use-only tubes for patient testing. Research products may not carry the same clinical-use labeling, documentation, or quality expectations as products manufactured for diagnostic specimen collection.

Buyers also sometimes overlook compatibility with automated systems. Some laboratories use robotic tracks, decappers, aliquoters, or analyzer-specific racks that require a particular tube diameter, height, cap style, or barcode position.

Finally, facilities may focus on the case price and ignore waste. A low-cost product with excessive minimum quantities, short remaining shelf life, high freight charges, or frequent backorders may cost more over time than a slightly more expensive product with dependable delivery and lower waste.

Best Supplier Strategy for Different U.S. Buyers

Hospitals and Integrated Health Systems

Large health systems commonly benefit from manufacturer agreements, distributor contracts, standardization, and centralized inventory management. These organizations may choose BD or Greiner Bio-One as a primary platform and maintain an approved alternate source. The purchasing department, laboratory leadership, infection-control team, and nursing representatives should coordinate the decision.

Independent Clinical Laboratories

Independent laboratories may compare direct manufacturer pricing with offers from Fisher Scientific, Avantor, McKesson, Cardinal Health, Medline, and regional laboratory distributors. Their decision should consider analyzer compatibility, daily tube consumption, courier schedules, storage space, and the cost of validating a substitute product.

Physician Offices and Urgent-Care Clinics

Smaller practices often prefer a distributor that can combine Heparin tubes with needles, blood collection sets, specimen labels, transport bags, gloves, and sharps containers. They should avoid over-ordering and should choose tube volumes that match the tests actually performed or referred to an outside laboratory.

Research and Academic Facilities

Universities and research organizations may purchase through Fisher Scientific, Avantor, Thomas Scientific, or specialized laboratory dealers. Researchers must distinguish between tubes intended for human diagnostic testing and tubes intended for research protocols. Institutional review, biosafety, and protocol-specific requirements may apply.

Final Considerations Before Ordering

The most established U.S. sources for Heparin phlebotomy tubes include BD and Greiner Bio-One, while McKesson, Cardinal Health, Medline, Fisher Scientific, Avantor and VWR, Thomas Scientific, Henry Schein, and regional medical-supply dealers commonly serve as purchasing channels. The precise brands and products available will depend on the buyer’s location, contract, order volume, and current inventory.

Before purchasing, identify the exact Heparin formulation, separator configuration, tube size, draw volume, sterility status, and intended testing application. Confirm the product’s regulatory labeling and manufacturer instructions, check expiration dates and storage requirements, and ask the laboratory director or technical supervisor to approve substitutions.

A reliable supplier is not necessarily the one offering the lowest listed price. Dependable stock, accurate product descriptions, lot traceability, responsive service, suitable shelf life, reasonable freight terms, and support during shortages may produce greater value than a small reduction in unit cost. For U.S. healthcare organizations, the safest purchasing approach combines a validated tube specification, at least one qualified alternate source, disciplined inventory control, and documented communication between procurement and laboratory personnel.

Disclaimer: The content provided on this blog is for informational purposes only, reflecting the personal opinions and insights of the author(s) on the topics. The information provided should not be used for diagnosing or treating a health problem or disease, and those seeking personal medical advice should consult with a licensed physician. Always seek the advice of your doctor or other qualified health provider regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website. If you think you may have a medical emergency, call 911 or go to the nearest emergency room immediately. No physician-patient relationship is created by this web site or its use. No contributors to this web site make any representations, express or implied, with respect to the information provided herein or to its use. While we strive to share accurate and up-to-date information, we cannot guarantee the completeness, reliability, or accuracy of the content. The blog may also include links to external websites and resources for the convenience of our readers. Please note that linking to other sites does not imply endorsement of their content, practices, or services by us. Readers should use their discretion and judgment while exploring any external links and resources mentioned on this blog.

Related Videos