FDA Medical Device Recalls (openFDA)
Siemens Healthcare Diagnostics: T3F, Free T3 Assay, REF/Catalog Number LKF31, Siemens Material Number (SMN) 10381626; an IVD Immunoassay kit for use with the IMMULITE/IMMULITE 1000 Analyzers --- Shipping or unit package: 100, 200, 500 and 600 test kits --- Origin: UK Siemens Healthcare Diagnostics Products Ltd. Llanberis, Gwynedd, LL55 4EL UK. For the quantitative measurement of Free T3 in serum, as an aid in the clinical assessment of thyroid status.
- Recall number
- Z-0867-2014
- Recalling firm
- Siemens Healthcare Diagnostics
- Product
- T3F, Free T3 Assay, REF/Catalog Number LKF31, Siemens Material Number (SMN) 10381626; an IVD Immunoassay kit for use with the IMMULITE/IMMULITE 1000 Analyzers --- Shipping or unit package: 100, 200, 500 and 600 test kits --- Origin: UK Siemens Healthcare Diagnostics Products Ltd. Llanberis, Gwynedd, LL55 4EL UK. For the quantitative measurement of Free T3 in serum, as an aid in the clinical assessment of thyroid status.
- Status
- Terminated
- Initiated
- 2013-08-27
- Posted
- 2014-01-30
- Terminated
- 2017-02-28
- Reason
- Siemens Healthcare Diagnostics confirmed customer complaints regarding an increase in the number of euthyroid patients (those with normal function of the thyroid) demonstrating values above the recommended normal range as published in the Instructions For Use for the IMMULITE/IMMULITE 1000 and/or IMMULITE 2000/IMMULITE 2000 XPi for several lots of Free T3 kits. A positive bias in quality control results was also observed, but the values may remain within the established ranges.
- Root cause
- Nonconforming Material/Component
- Action
- Urgent Medical Device Recall Letters (dated 8/27/13) and Field Recall Effectiveness Check Forms were sent to the affected customers (starting on 8/27/13) informing them to discontinue use of and discard the IMMULITE Free T3 reagent kit lots. Customers were instructed to contact their local Siemens representative for assistance. Customers are requested to complete and return the Effectiveness Check Form included with the recall letter within thirty (30) days.
- Quantity
- 2201 kits in total
- Distribution
- Worldwide Distribution-USA (nationwide) and the countries of Albania, Algeria, Argentina, Australia, Austria, Bangladesh, Belgium, Bulgaria, Bosnia-Herzegovina, Brazil, Belarus, Canary Islands, China, Colombia, Costa Rica, Croatia, Cyprus, Czech Republic, Dominican Republic, Ecuador, Egypt, El Salvador, Estonia, France, Germany, Great Britain, Greece, Guatemala, Honduras, Hungary, Iceland, India, Indonesia, Ireland, Israel, Iran, Italy, Jordan, Republic of South Korea, Kuwait, Kazakhstan, Latvia, Lebanon, Libya, Lithuania, Macedonia, Mexico, Malaysia, Malta, Nepal, Netherlands, Norway, Panama, Peru, Philippines, Pakistan, Paraguay, Poland, Portugal, Qatar, Romania, Russian Federation, Saudi Arabia, Serbia, Singapore, Slovakia, Spain, Sri Lanka, South Africa, Switzerland, Turkey, Thailand, Taiwan, Uruguay, Usbekistan, Venezuela, Vietnam, and United Arab Emirates.
- Lot, serial or model codes
- Lot Numbers 353, 354
- 510(k) numbers
- ["K974634"]
- PMA numbers
- not on file
- Product code
- CDP
- Firm FEI
- 2432235
- Firm city
- Tarrytown
- Firm state
- NY
- Firm country
- not on file
Where this comes from
- Register
- FDA Medical Device Recalls (openFDA)
- Publisher
- U.S. Food and Drug Administration (openFDA)
- File
- device-recall-0001-of-0001.json.zip
- sha256
- b87518bfe2e8
- Size
- 288210821 bytes
- Published
- 2026-09-28
- Read
- 2026-09-29T08:25:23.626Z
- Source file
- Source file retained · verify
- Refresh due
- 2026-10-06
Unless otherwise noted, the content, data, documentation, code, and related materials on openFDA is public domain and made available with a Creative Commons CC0 1.0 Universal dedication.
Cite as
FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28