Beckman Coulter DxC 500 AU Clinical Analyzer Recall
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Beckman Coulter Inc. is recalling DxC 500 AU Clinical Chemistry Analyzers with software version 1.5 or lower due to a software defect that can overwrite user-modified calculated test rules and generate erroneous patient results.
What this FDA recall tells you, and what most readers miss
This notice was issued by FDA on September 9, 2026 and geographically references United States. The FDA classifies this as a Class II recall, with the stated reason "a software defect in which the Parameter Package (PP) import logic overwrites all predefined calculated test rules, including those previously modified by the user, upon import of a new Parameter Package version. As a result, usercustomized calculated test rules revert silently to their default expressions, potentially generating erroneous patient test results without an explicit error notification. The issue affects instruments running software version 1.5 or lower and only occurs when a new Parameter Package is imported to a system that already has an existing Parameter Package onboard; new installations are not affected.", distributed worldwide distribution - us nationwide.. FDA recall classes run from I (reasonable probability of serious harm) to III (unlikely to cause harm), so the class number is the fastest way to gauge severity here. 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, fda, Devices.
What Happened
A software defect in which the Parameter Package (PP) import logic overwrites all predefined calculated test rules, including those previously modified by the user, upon import of a new Parameter Package version. As a result, user-customized calculated test rules revert silently to their default expressions, potentially generating erroneous patient test results without an explicit error notification. The issue affects instruments running software version 1.5 or lower and only occurs when a new Parameter Package is imported to a system that already has an existing Parameter Package onboard; new installations are not affected.
Which Products Are Affected
Beckman Coulter DxC 500 AU Clinical Analyzer Modules using software version 1.5 or lower:
- AU w/out ISE, Part Number C63519, UDI/DI 14987666545058
- AU w/ISE, Part Number C63520, UDI/DI 14987666545065
DxC 500 AU Clinical Chemistry Analyzers
Recall number: Z-2974-2026 Classification: Class II Distribution: Worldwide distribution - US Nationwide
What You Should Do
The recall is ongoing. Users of affected instruments should monitor for potential erroneous patient test results when importing new Parameter Packages.
Why This Matters
The defect can cause user-customized calculated test rules to revert silently, potentially generating erroneous patient test results without notification on affected clinical chemistry analyzers.
Source
FDA recall Z-2974-2026, Beckman Coulter Inc., Brea, CA. https://www.fda.gov
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 (1,509 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to September 9, 2026.
Frequently Asked Questions
Common questions about this FDA recall.