Greiner Bio-One VACUETTE 6ml Blood Tubes Risk of Clotting

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Contact the company & request your remedy

Recalling firmGreiner Bio-One North America, Inc.4238 Capital Dr, N/A · Monroe, NC 28110-7681

No email on file — write to the address above instead.

✎ GovInfoNow plain-language explainer

What happened, in plain English

Greiner Bio-One is recalling 6ml blood collection tubes that may clot during use. This could lead to inaccurate blood test results if the tubes are used without proper anticoagulant. Affected tubes have specific lot numbers and expiration dates.

Why it’s dangerous

The tubes may clot due to a manufacturing issue with the anticoagulant. This can cause inaccurate blood test results if the tubes are used without proper anticoagulant.

Who’s affected

People who use blood collection tubes for medical testing, especially those with frequent blood draws. Those using the affected lots (B21033DA or B21053R8) are most at risk.

How to tell if you have this one

Check for the pink cap with a pink ring and non-ridged design. Affected lots are B21033DA (exp. 09/2022) or B21053R8 (exp. 11/2022).

Brand
Greiner Bio-One
Category
Medical device

Based on the official FDA remedy

What to do — step by step

Stop Using Immediately
Discard the affected tubes to prevent inaccurate blood test results.

✎ GovInfoNow

Questions people ask

Why are these tubes being recalled?

The tubes may experience clotting issues, which can lead to inaccurate blood test results.

What lot numbers are affected?

Affected lots are B21033DA (exp. 09/2022) or B21053R8 (exp. 11/2022).

How can I check if I have the affected tubes?

Look for the pink cap with a pink ring and non-ridged design. Check the lot number on the tube.

Take action

Contact Greiner Bio-One

We’ve drafted a message you can send Greiner Bio-One to request your refund or repair — edit it as you like.

✉️ Open in email

Subject: Recall Z-2485-2021 — Greiner Bio-One Greiner Bio-One

Hello,

I own a Greiner Bio-One that is covered by recall Z-2485-2021 from Greiner Bio-One.

I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this?

Thank you.

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Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

Official source: FDA Recall #Z-2485-2021 (August 13, 2021) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-2485-2021 to see it in context.
Plain-language summary written by qwen3:4b on August 19, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.

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