Access Total T4 Calibrator, Catalog No. 33805 — FDA record Z-1922-2026

Reported ongoing

Status as reported in the agency record. FDA warns that enforcement status may not track the current recall lifecycle; check the current official notice.

Source date Mar 16, 2026. Retrieved Oct 1, 2026. Last updated Oct 1, 2026.

Archive changed Oct 1, 2026. USDA FSIS records are unavailable; check FSIS directly. Source coverage and dates.

What the record says

Product
Access Total T4 Calibrator, Catalog No. 33805
Reason
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.
Classification
Class II
Recalling firm
Beckman Coulter, Inc.
Quantity
2068 US, 2830 OUS
Agency-reported status
Ongoing
Source record identifier
Z-1922-2026

Open the official record

What the recall classes mean. Classification is an agency assessment, not individual medical advice.

Lot and product identifiers

Label fieldDetails supplied by the agency
Lot, code or applicabilityUDI-DI 15099590225872 Lots 538729, 538815, 538898, 539107, 539243

Match all identifying details in the current notice. A brand name alone is not enough.

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, 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.

States below are derived from the distribution text, including nationwide wording. They are not inferred from the firm's address.

Dates in the source

Report date
Apr 29, 2026
Recall initiation date
Mar 16, 2026
Center classification date
Apr 22, 2026

FDA company pages use the listing date; enforcement records use initiation dates; CPSC uses recall date; NHTSA uses report-received date. These dates are not interchangeable.

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