Where to Buy Heparin Blood-Collection Tubes in the U.S. (Suppliers, Types, and Buying Guide)

Summary

• U.S. buyers can purchase Heparin blood-collection tubes from major manufacturers and distributors, including BD, Greiner Bio-One, Cardinal Health, McKesson, Medline, Fisher Scientific, Avantor, Henry Schein, and Thomas Scientific.
• The correct tube depends on the test: lithium-Heparin plasma tubes are commonly used for clinical chemistry, while sodium-Heparin tubes are often selected for specialized chemistry, cytogenetics, and certain blood-bank or molecular applications.
• Purchasing decisions should account for tube additive, specimen volume, draw order, expiration date, regulatory status, storage requirements, compatibility with analyzers, and the supplier’s ability to provide consistent lot-controlled inventory.

Heparin tubes are among the most widely used blood-collection products in U.S. hospitals, physician offices, urgent-care centers, outpatient laboratories, Mobile Phlebotomy services, and research facilities. They are generally used when a laboratory needs plasma rather than serum. The Heparin additive prevents clot formation, allowing plasma to be separated relatively quickly after collection and centrifugation.

In routine Venipuncture, Heparin tubes are most commonly identified by green or light-green tops. However, color alone is not enough to select the correct product. Green-top tubes may contain lithium Heparin, sodium Heparin, or another formulation, and some light-green tubes contain a gel separator in addition to lithium Heparin. The appropriate product depends on the laboratory’s test menu, analyzer validation, specimen requirements, and written collection procedures.

In the United States, buyers can obtain Heparin tubes directly from manufacturers, through national medical-supply distributors, from laboratory-equipment suppliers, or through group purchasing organizations. The major options include BD, Greiner Bio-One, Cardinal Health, McKesson, Medline, Fisher Scientific, Avantor, Henry Schein, and Thomas Scientific. Availability varies by product size, tube material, additive, packaging, geographic location, and contract pricing.

What Are Heparin Blood-Collection Tubes?

Heparin is an Anticoagulant that inhibits the coagulation process. In blood collection, it helps preserve a liquid plasma specimen by preventing fibrin formation. Laboratories can then centrifuge the specimen and use the plasma for testing without waiting for a clot to form.

The principal Heparin tube categories used in phlebotomy are lithium-Heparin tubes, sodium-Heparin tubes, and, less commonly, ammonium-Heparin products. The tube may be made of plastic or glass and may contain a liquid additive, spray-dried additive, gel separator, or a combination of Heparin and gel.

Lithium-Heparin tubes

Lithium-Heparin tubes are commonly used for routine plasma chemistry testing. Typical applications may include electrolytes, renal-function testing, liver-function testing, cardiac markers, therapeutic-drug monitoring, and other chemistry assays. Many hospital laboratories prefer lithium Heparin because lithium does not interfere with a broad range of routine chemistry tests in the way that sodium or ammonium could affect selected measurements.

Some lithium-Heparin tubes contain a polymer gel separator. After centrifugation, the gel forms a barrier between the plasma and cellular components. These products are often marketed as plasma separator tubes, or PSTs. They can improve Workflow by reducing the need to transfer plasma into a secondary container, although the laboratory must verify that the gel and tube are compatible with its assays and analyzer system.

Sodium-Heparin tubes

Sodium-Heparin tubes are selected for applications in which lithium may be an interfering substance or when a laboratory’s procedure specifically calls for sodium Heparin. They may be used in certain specialized chemistry procedures, cytogenetics, flow cytometry, and other laboratory applications. A sodium-Heparin tube should not be substituted for a lithium-Heparin tube without confirmation from the testing laboratory.

Specialized Heparin products

Heparinized blood-gas syringes are another important category. These are not always the same as standard green-top evacuated tubes. Blood-gas syringes may contain balanced Heparin, dry Heparin, or liquid Heparin and are designed for arterial or venous blood-gas collection. Excess liquid Heparin can dilute a specimen or affect certain analytes, so the product must match the laboratory’s blood-gas procedure.

Heparin tubes are also used in some research, cellular-analysis, and molecular workflows. Research-use products should not automatically be treated as clinical diagnostic collection devices. Clinical facilities should confirm labeling, regulatory status, validation, and intended use before purchasing a product for patient testing.

Leading U.S. Suppliers of Heparin Tubes

The following companies are among the most commonly encountered U.S. sources for Heparin blood-collection tubes. Some are manufacturers, while others are distributors that sell multiple brands. Product availability changes frequently, so purchasing departments should verify current stock, catalog numbers, pack quantities, and contract terms before placing an order.

BD

BD, formerly known as Becton, Dickinson and Company, is one of the largest manufacturers of blood-collection systems used in the United States. Its Vacutainer product line includes green-top lithium-Heparin and sodium-Heparin tubes, as well as light-green plasma separator tubes with gel.

BD tubes are widely used in hospitals and reference laboratories because many collection and laboratory procedures are already written around the Vacutainer platform. The company offers multiple tube volumes and configurations, including products intended for routine venous blood collection and specialized applications. Buyers should review whether they need plastic or glass tubes, whether the product contains gel, and whether the tube is compatible with their centrifuge and analyzer Workflow.

BD products are often purchased through hospital contracts, national distributors, laboratory suppliers, or regional medical-supply vendors. Large health systems may receive better pricing through negotiated agreements, while smaller physician offices may purchase smaller cases through distributors.

Greiner Bio-One

Greiner Bio-One manufactures the VACUETTE blood-collection system, which is widely distributed in the United States. The company offers lithium-Heparin tubes, sodium-Heparin tubes, and plasma separator tubes in different sizes and configurations.

Greiner’s products are used by hospitals, independent laboratories, physician practices, and research organizations. Its VACUETTE line is often considered when a facility wants an alternative to BD or is standardizing on a different tube-and-holder system. Compatibility matters because tube dimensions, stopper design, draw volume, and gel behavior can influence automated processing.

When comparing Greiner Bio-One products with other brands, purchasers should assess the exact additive and whether the tube is intended for chemistry, blood gas, trace-element work, cytogenetics, or another specialized procedure. A product described generally as a “green-top tube” may not have the same specifications as another green-top product.

Cardinal Health

Cardinal Health is a major U.S. healthcare distributor and also markets medical and laboratory products under its own brands and through manufacturer partnerships. Hospitals, clinics, ambulatory surgery centers, and physician offices may purchase Heparin tubes through Cardinal Health’s laboratory-supply channels.

Cardinal Health can be particularly useful for organizations that already maintain a broader purchasing relationship with the company. Consolidating collection tubes, needles, holders, specimen bags, labels, and other phlebotomy products under one distribution account may simplify ordering and reduce administrative costs.

Buyers should determine whether a quoted product is a Cardinal Health private-label item or a branded product supplied through the distributor. The product’s manufacturer, catalog number, tube additive, expiration date, and regulatory documentation should be recorded in the facility’s purchasing system.

McKesson

McKesson is another major U.S. healthcare distributor serving hospitals, laboratories, physician practices, retail clinics, and other healthcare organizations. Its catalog commonly includes green-top lithium-Heparin tubes, sodium-Heparin tubes, plasma separator tubes, and related phlebotomy supplies from several manufacturers.

McKesson can be a practical source for facilities that already purchase gloves, syringes, needles, specimen containers, disinfectants, and other products through the same account. Buyers should compare case quantities because distributors may list the same type of tube in different pack sizes. A low unit price can be misleading if the product is sold only in a large case or if shipping and handling charges apply.

Because product substitutions can occur during shortages, facilities should specify whether substitutions are permitted. A substitute Heparin tube should be reviewed by the laboratory director or designated quality manager before clinical use.

Medline

Medline supplies hospitals, outpatient clinics, laboratories, long-term-care organizations, and physician practices throughout the United States. Its laboratory catalog includes blood-collection tubes and related Phlebotomy Equipment, including products from recognized manufacturers and private-label offerings.

Medline may be attractive to smaller practices that want a single source for collection tubes, safety needles, tourniquets, gauze, alcohol wipes, sharps containers, specimen transport bags, and other consumables. Buyers should verify whether a specific tube is intended for serum, plasma, or whole-Blood Testing and should compare the listed draw volume with the laboratory’s minimum specimen requirement.

For outpatient facilities, delivery reliability is often as important as price. A practice that collects only a few dozen specimens per week may not need a large inventory, but it still needs a dependable source with adequate remaining shelf life.

Fisher Scientific

Fisher Scientific is a major laboratory-supply distributor serving clinical laboratories, universities, pharmaceutical companies, biotechnology organizations, hospitals, and research centers. Its catalog includes Heparin tubes from manufacturers such as BD, Greiner Bio-One, and other laboratory-product companies.

Fisher Scientific is especially useful for organizations that purchase both clinical collection supplies and research materials. However, clinical and research products may appear side by side in a catalog. Purchasers should confirm whether the selected tube is labeled for in vitro diagnostic use, research use only, or another intended purpose.

The company’s broad catalog also makes it possible to compare tube materials, additives, closure types, sizes, and packaging. This can help laboratories standardize products across departments, although standardization should occur only after confirming test compatibility.

Avantor and VWR

Avantor, including products distributed through the VWR brand, is a significant supplier to laboratories, healthcare facilities, pharmaceutical manufacturers, and academic institutions. The company offers blood-collection products and can source Heparin tubes from several manufacturers.

Avantor and VWR are often used by laboratories that already maintain accounts for reagents, pipettes, centrifuge supplies, personal protective equipment, and other laboratory consumables. Buyers should be attentive to product classification because the same distributor may sell clinical collection tubes, research tubes, specimen-processing tubes, and general laboratory plastics.

For regulated clinical use, the purchasing file should include the manufacturer’s instructions for use, product specifications, lot information, and any documentation required by the laboratory’s quality system.

Henry Schein

Henry Schein is a prominent distributor for dental practices, physician offices, outpatient clinics, and other Healthcare Providers. Its medical-supply channels may include green-top Heparin tubes and related blood-draw products.

Henry Schein can be convenient for primary-care offices, specialty practices, and independent clinics that already use the company for exam-room supplies. These facilities should pay close attention to tube turnover. If blood collection is occasional, ordering too many tubes can result in expiration-related waste.

Practices should also confirm that the selected tubes match the testing performed onsite or by the contracted reference laboratory. A reference laboratory may require a particular tube type, minimum volume, processing time, or transport temperature.

Thomas Scientific and regional laboratory suppliers

Thomas Scientific and other regional laboratory distributors provide another purchasing route. These suppliers may stock major brands and can sometimes source specialized configurations that are not routinely purchased by small physician practices.

Regional suppliers can be valuable when a laboratory needs technical assistance, unusual tube sizes, special packaging, or a backup source during a supply disruption. Their pricing and freight policies vary, so buyers should compare delivered cost rather than catalog price alone.

How Much Do Heparin Tubes Cost?

Heparin-tube pricing varies significantly. A standard tube purchased in a large institutional case may cost substantially less per unit than a small box purchased by an independent office. Products with gel separators, specialty additives, reduced draw volumes, traceability features, or pre-attached labels generally cost more than basic tubes.

In broad purchasing terms, routine green-top tubes may range from a few cents to well above one dollar per tube, depending on brand, size, packaging, contract status, and market conditions. This is an approximate purchasing range rather than a universal price schedule. Specialty blood-gas syringes and highly configured products can cost more.

Several additional costs should be included in a total-cost calculation:

1. Freight, handling, and expedited-delivery charges.
2. Inventory losses caused by expired tubes.
3. Staff time spent managing multiple suppliers.
4. Validation costs when changing brands or additives.
5. Waste caused by incorrect tube selection or underfilled specimens.
6. Costs associated with recollection, delayed testing, or rejected specimens.

For a hospital drawing thousands of tubes each month, a small price difference per tube can produce a meaningful annual impact. For a small clinic, expiration and minimum-order quantities may matter more than the lowest unit price.

U.S. Regulatory and Quality Considerations

Purchasing departments should not evaluate Heparin tubes solely on price. Blood-collection tubes are part of the preanalytical testing system, and errors at this stage can affect laboratory accuracy. The U.S. Food and Drug Administration regulates many blood-collection devices as medical devices, while clinical laboratories operate under requirements associated with the Clinical Laboratory Improvement Amendments, commonly known as CLIA.

Facilities should confirm that the product is appropriately labeled for its intended use and that the manufacturer provides instructions for collection, mixing, storage, centrifugation, and transport. The laboratory director or qualified designee should approve any new tube before implementation.

Relevant quality checks may include:

1. Confirming the tube additive and concentration.
2. Verifying the nominal draw volume and acceptable fill range.
3. Reviewing the expiration date and lot number.
4. Checking tube integrity, stopper condition, and labeling.
5. Assessing compatibility with the centrifuge, carrier system, and analyzer.
6. Performing parallel or method-comparison testing when required.
7. Updating collection manuals, order-entry systems, and staff training.

The Occupational Safety and Health Administration, or OSHA, also affects the broader phlebotomy purchasing environment through bloodborne-pathogen and sharps-safety requirements. A facility buying Heparin tubes will usually also need safety needles, sharps containers, gloves, transport bags, and exposure-control procedures.

How Heparin Tubes Fit Into Draw Order

Heparin tubes are generally drawn after blood-culture bottles and light-blue citrate tubes and before many serum tubes, depending on the laboratory’s approved order of draw. The exact sequence should follow the facility’s current procedure and applicable laboratory guidance.

Order of draw helps reduce additive carryover. For example, contamination from a citrate tube could alter coagulation testing, while carryover from another additive could affect chemistry results. Phlebotomists should never rely only on cap color because manufacturers may use similar colors for different additives.

When a green-top tube is collected, it normally must be gently inverted according to the manufacturer’s instructions. Vigorous shaking can cause hemolysis, while inadequate mixing can lead to microclots or uneven Anticoagulant distribution. The laboratory’s procedure should specify the number of inversions and the required processing time.

Choosing Between Standard and Gel-Separator Tubes

A standard lithium-Heparin tube contains Anticoagulant but does not necessarily create a physical barrier after centrifugation. A lithium-Heparin plasma separator tube contains a gel that separates plasma from cells. The gel can simplify automated processing and reduce the need for aliquoting.

Gel-separator tubes are not automatically appropriate for every test. Some analytes may be affected by contact with the gel, adsorption, carryover, storage conditions, or prolonged specimen contact. Laboratories should consult assay manufacturers and validate the tube for each relevant test category.

Non-gel lithium-Heparin tubes may be preferred for certain applications, including tests requiring direct plasma transfer, specialized processing, or procedures in which gel interference is a concern. The purchasing decision should therefore be based on the laboratory’s test requirements rather than convenience alone.

Important Questions to Ask a Supplier

Before ordering, a healthcare organization should ask the supplier or manufacturer for specific product information. This is particularly important when a facility is changing brands or responding to a shortage.

1. Is the tube lithium Heparin, sodium Heparin, ammonium Heparin, or another formulation?
2. Does the tube contain a gel separator?
3. What is the nominal blood draw volume?
4. Is the tube plastic or glass?
5. What is the expiration period from the date of manufacture?
6. What is the minimum remaining shelf life at delivery?
7. Is the tube intended for clinical in vitro diagnostic use or research use only?
8. Which analyzers and laboratory procedures have been evaluated with the product?
9. What are the recommended inversion, centrifugation, and storage instructions?
10. What is the manufacturer’s policy for damaged, short-dated, or incorrect shipments?
11. Can the supplier provide lot-controlled and uninterrupted inventory?
12. Are substitutions permitted, and how are substitutions communicated?

These questions help prevent a common purchasing error: ordering a product that appears equivalent based on color but differs in additive, volume, gel composition, or intended use.

Managing Supply Availability and Shortages

Medical-device shortages have periodically affected blood-collection tubes, syringes, needles, and other disposable products in the United States. Causes can include manufacturing interruptions, raw-material constraints, transportation problems, sudden increases in demand, recalls, and regional distribution disruptions.

A 2022 survey by the Association for Diagnostics and Laboratory Medicine, formerly the American Association for Clinical Chemistry, reported that a substantial majority of responding laboratories had experienced supply-chain problems affecting laboratory operations. Although such surveys do not establish the availability of every specific Heparin tube, they illustrate why laboratories should maintain a documented contingency plan.

A practical continuity strategy may include:

1. Maintaining an approved primary supplier and at least one qualified secondary source.
2. Keeping a reasonable safety stock based on usage and shelf life.
3. Tracking monthly consumption by tube type and department.
4. Restricting substitutions until the laboratory approves them.
5. Documenting alternate tube types that have already been validated.
6. Reviewing expiration dates during routine inventory checks.
7. Communicating changes to phlebotomists, nurses, couriers, and laboratory staff.

Excessive stockpiling is not always beneficial. Tubes have expiration dates, and storage conditions can affect performance. The best inventory level depends on average usage, supplier lead time, emergency demand, and the product’s remaining shelf life.

Ordering for Different Types of U.S. Facilities

Hospitals and health systems

Hospitals typically purchase Heparin tubes through a group purchasing organization, a national distributor, or a direct manufacturer contract. Their purchasing teams may negotiate annual volume, delivery schedules, emergency allocations, and product substitutions.

Hospitals should coordinate purchasing with laboratory medicine, nursing, central supply, infection prevention, and information technology teams. A tube change can affect electronic collection instructions, barcode labels, pneumatic-tube transport, specimen-processing equipment, and analyzer validation.

Independent laboratories

Independent laboratories often buy in high volumes and may have detailed requirements for tube dimensions, automation compatibility, centrifuge performance, and specimen stability. They may benefit from direct negotiations with BD, Greiner Bio-One, or a large distributor.

Because independent laboratories process specimens from multiple clients, they should communicate tube requirements clearly to physician offices and collection sites. A nonapproved substitute collected at an outside site can cause Specimen Rejection or additional processing work.

Physician offices and urgent-care centers

Smaller facilities often purchase through McKesson, Medline, Cardinal Health, Henry Schein, Fisher Scientific, or a local medical distributor. Their priorities may include small case quantities, quick delivery, simple ordering, and products that work with their reference laboratory’s requirements.

These facilities should avoid purchasing a large quantity simply because the per-tube price is lower. A basic usage calculation can prevent waste. For example, a clinic that uses 150 lithium-Heparin tubes per month may not need a case containing several thousand tubes unless it has a long shelf life and reliable turnover.

Mobile and home-draw services

Mobile Phlebotomy organizations need to consider portability, temperature control, specimen labeling, transport time, and protection from breakage. Plastic tubes are often easier to transport than glass, but the selected product must still meet the receiving laboratory’s requirements.

Mobile services should also verify whether the tube is compatible with the collection needle, holder, transport container, and courier process. If specimens are transported for several hours, stability data and laboratory instructions become particularly important.

What to Verify Before Finalizing an Order

The safest purchasing process is one that connects procurement with laboratory oversight. Before finalizing an order, the buyer should compare the supplier’s product description with the laboratory’s approved collection manual. The catalog number should be recorded because product names and cap colors may be insufficient for accurate identification.

The facility should also confirm the shipment upon arrival. Receiving staff can inspect the outer cartons for damage, check tube expiration dates, compare the lot number with the packing slip, and verify that the product matches the purchase order. Damaged or questionable boxes should be quarantined until reviewed.

Once a new lot is placed into service, quality personnel may monitor Specimen Rejection rates, hemolysis rates, clot rates, analyzer flags, and recollection requests. These measures help identify problems that may not be visible during a simple visual inspection.

Conclusion

U.S. healthcare organizations have several reliable channels for purchasing Heparin tubes. BD and Greiner Bio-One are leading manufacturers, while Cardinal Health, McKesson, Medline, Fisher Scientific, Avantor, Henry Schein, Thomas Scientific, and regional laboratory distributors provide access to multiple brands and configurations.

The most important decision is not simply which supplier offers the lowest price. It is whether the tube has the correct Heparin type, draw volume, gel configuration, material, labeling, and regulatory status for the intended test. A lithium-Heparin plasma tube commonly used for routine chemistry should not be treated as interchangeable with a sodium-Heparin tube, a gel-free tube, or a heparinized blood-gas syringe.

Before ordering, purchasers should consult the laboratory director, confirm analyzer and assay compatibility, review expiration and delivery conditions, and establish a backup supply plan. By combining supplier evaluation with careful validation and inventory control, U.S. healthcare facilities can reduce specimen errors, limit waste, and maintain dependable phlebotomy operations.

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