Access Total T4 Calibrator, Catalog No. 33805
FDA Device Recall #Z-1922-2026 - Class II, March 16, 2026
Recall Summary
| Recall Number | Z-1922-2026 |
| Classification | Class II - Moderate risk |
| Date Initiated | March 16, 2026 |
| Status | Ongoing |
| Voluntary | Voluntary: Firm initiated |
Recalling Firm
| Firm | Beckman Coulter, Inc. |
| Location | Chaska, MN |
| Product Type | Devices |
| Quantity | 2068 US, 2830 OUS |
Product Description
Access Total T4 Calibrator, Catalog No. 33805
Reason for Recall
Beckman Coulter has identified that Access Total T4 Calibrator lots (PN 33805) exhibit a negative bias on DxI 600/800 instruments, with slopes outside product specifications. A false low patient result could cause a patient to undergo unnecessary additional diagnostic testing. A patient may be treated for a disorder not present or receive delayed treatment for hyperthyroidism. For a pregnant patient being monitored for thyroid hormone supplementation, incorrect treatment or dose may be used. A delayed patient results could cause repeat blood draw with associated complications.
Distribution Pattern
Worldwide distribution - US Nationwide and the countries of Argentina, Austria, Bangladesh, Bolivia (Plurinational State of), Bosnia and Herzegovina, Brazil, Canada, China, C¿te d'Ivoire, Croatia, Czechia, Denmark, Egypt, El Salvador, Ethiopia, Georgia, Germany, Greece, Hong Kong, India, Indonesia, Ireland, Italy, Japan, Kazakhstan, Korea, Republic of, Kosovo, Lebanon, Libya, Malawi, Mexico, Myanmar, Nepal, Netherlands, New Zealand, Nigeria, North Macedonia, Pakistan, Panama, Peru, Philippines, Poland, Portugal, Puerto Rico, Qatar, Romania, Russian Federation, Saudi Arabia, Serbia, Singapore, Slovakia, Somalia, Spain, Switzerland, Taiwan, Province of China, Thailand, Turkey, United Arab Emirates, Uzbekistan, Viet Nam, Yemen.
Lot / Code Information
UDI-DI 15099590225872 Lots 538729, 538815, 538898, 539107, 539243
Other Recalls from Beckman Coulter, Inc.
| Recall # | Classification | Product | Date |
|---|---|---|---|
| Z-1235-2026 | Class II | CellMek SPS Sample Preparation System, REF: C44... | Dec 23, 2025 |
| Z-1025-2026 | Class II | Beckman Coulter UniCel Dxl 600, Part numbers: ... | Nov 26, 2025 |
| Z-1026-2026 | Class II | Beckman Coulter UniCel Dxl 800, Part numbers: ... | Nov 26, 2025 |
| Z-1221-2026 | Class II | COULTER DxH Diluent, REF 628017 COULTER DxH EC... | Nov 10, 2025 |
| Z-0889-2026 | Class II | Access 2 Reaction Vessels, individual, disposab... | Nov 7, 2025 |
Frequently Asked Questions
Contact your healthcare provider and the device manufacturer immediately. Check whether your specific model number and lot number are included in the recall scope. For external devices, stop using the affected product and arrange a replacement. For implanted devices, do not panic, removal is typically not required unless the risk assessment clearly indicates it. Your physician will guide you based on your individual clinical situation and the FDA's recommended actions. Report any adverse effects you may have experienced to FDA MedWatch at 1-800-FDA-1088.
Class I recalls indicate a reasonable probability of serious adverse health consequences or death from the defect. Class II recalls involve products that may cause temporary or medically reversible adverse health consequences, or where serious consequences are remote. Class III recalls cover products not likely to cause any adverse health consequences, typically involving technical regulatory violations. The classification guides urgency, Class I recalls require immediate action, while Class III may simply involve returning a product or acknowledging a labeling change. Always read the specific recall notice for recommended patient actions.
Report problems with medical devices to the FDA through MedWatch at 1-800-FDA-1088 or online at FDA.gov/safety/medwatch. Healthcare facilities are required by law to report device-related serious injuries and deaths. Patients and consumers can also report voluntarily. Include the device name, manufacturer, model number, and a description of the problem and any patient outcome. Reports from patients and clinicians help the FDA identify emerging safety signals and may trigger investigations that lead to recalls of dangerous devices.
What Should You Do?
Stop using this device if you are affected by this recall. Contact your healthcare provider and the manufacturer immediately for guidance. Report adverse events to FDA MedWatch.