FDAClass IIApril 29, 2026

Access Total T4 Calibrator recall

Access Total T4 Calibrator, Catalog No. 33805

Why was Access Total T4 Calibrator recalled?

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.

What should I do if I have this product?

The recall is ongoing. Follow the firm and FDA instructions.

What to do with a recalled product: refunds, receipts, safe disposal and how to report a problem.

Is my product affected?

Compare the item in your hand with every identifier below from the official FDA record. Only products that match the listed product and lot, UPC or model codes are part of this recall.

Which lot codes, UPCs or models are affected?

UDI-DI 15099590225872 Lots 538729, 538815, 538898, 539107, 539243

Product
Access Total T4 Calibrator, Catalog No. 33805
Recalling firm
Beckman Coulter, Inc.
Quantity
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, 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.
Recall date
April 29, 2026
Classification
Class II
Status
Ongoing
Agency
FDA (device)
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