Recall of Access Total T4 Calibrator by Beckman Coulter Due to Accuracy Issues
Areazine synthesizes this FDA recall directly from FDA's official public data feed. See our methodology for full source attribution and refresh cadence.
Beckman Coulter is recalling certain lots of Access Total T4 Calibrator because of a negative bias that could produce false low results on specific instruments, potentially leading to misdiagnosis or delayed treatment.
What this FDA recall tells you, and what most readers miss
This notice was issued by FDA on May 7, 2026 and geographically references United States. Its severity classification of "medium" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - FDA Recalls - determines the consumer-protection framework behind it, which shapes what remedies (refunds, replacements, repairs, or the recall itself) are available to affected consumers and which agency holds statutory responsibility for enforcement.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to verify its scope, source, and timestamp, then compare related notices without assuming that one record proves a broader trend.
Areazine pairs this record with the original agency URL so you can check the primary source before acting. Its related labels are recall, product-safety, cpsc, Devices.
What Happened
Beckman Coulter has identified that certain lots of Access Total T4 Calibrator exhibit a negative bias on DxI 600/800 instruments, with results outside product specifications. This could cause false low patient results, leading to unnecessary additional diagnostic testing, treatment for a non-existent disorder, or delayed treatment for hyperthyroidism.
Which Products Are Affected
The affected product is Access Total T4 Calibrator, Catalog No. 33805, with UDI-DI 15099590225872 and lots 538729, 538815, 538898, 539107, and 539243. Approximately 2068 units in the US and 2830 units outside the US are affected. The recall involves worldwide distribution, including US Nationwide and various international countries.
What You Should Do
Affected customers and healthcare providers should contact Beckman Coulter, Inc., as the recall was initiated via letter, for instructions on how to proceed with the affected products.
Why This Matters
This recall matters because inaccurate test results could result in patients undergoing unnecessary procedures or experiencing delayed treatment for thyroid-related conditions, potentially impacting their health and requiring additional medical attention.
Source
This information is attributed to the FDA recall notice Z-1922-2026. For more details, refer to the FDA website.
Original source: FDA Official Notice ↗
Related FDA Recalls
All FDA Recalls →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this FDA recall: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,342 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to May 7, 2026.
Frequently Asked Questions
Common questions about this FDA recall.