Atlas FDA

Access Total T4 Calibrator, Catalog No. 33805

FDA device recall Z-1922-2026 · posted 2026-04-22 · Open, Classified

Recall details

Recalling firm
Beckman Coulter, Inc.
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.
Action taken
Pending
Root cause
Nonconforming Material/Component
Status
Open, Classified
Product code
KLI
Quantity affected
2068 US, 2830 OUS
Distribution
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, Cze
Date initiated
2026-03-16
Date posted
2026-04-22
Location
Chaska, MN

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Related 510(k) clearances

RecordFirmDate
ACCESS TOTAL T4 ASSAY (K023369)Beckman Coulter, Inc.2002-12-09