FDA Medical devices recall ·
Access Total T4 Calibrator recall
- Recall number
- Z-1922-2026
- Date
- (initiated March 16, 2026)
- Company / brand
- Beckman Coulter, Inc.
1000 Lake Hazeltine Dr, Chaska, MN, United States - Category
- Medical devices › Class II
- Classification
- Class II
- Status
- Ongoing
- Units affected
- 2068 US, 2830 OUS
- Initiated by
- Voluntary: Firm initiated
Read the official FDA notice ↗
Product
Access Total T4 Calibrator, Catalog No. 33805
Why was it 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 you do?
FDA enforcement reports do not list a consumer remedy. Check the product codes below against what you have; if it matches, stop using it and follow the instructions in the firm's or FDA's official notice, or contact the company. If you have health concerns, contact your healthcare provider.
Product codes & lot numbers
UDI-DI 15099590225872 Lots 538729, 538815, 538898, 539107, 539243
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: Georgia Puerto Rico
What does Class II mean?
Class II means use of or exposure to the product may cause temporary or medically reversible adverse health consequences, or the probability of serious harm is remote.
Source: FDA (medical devices), recall Z-1922-2026. Official notice. Republished from public data; RecallFlag is not affiliated with the FDA.