--- title: "IMMULITE 2000 Thyroglobulin (US)- For in vitro diagnostic use with the IMMULI... — FDA record Z-0949-2023 | Is It on Recall" description: "Potential for Functional Sensitivity to not meet Instructions For Use (IFU) claims with the kit lots; control level one may result outside of published ranges;" url: https://isitonrecall.com/recall/fda-device-z-0949-2023-immulite-2000-thyroglobulin-us-for-in-vitro-diagnostic-use-with-the-immulite-2000-systems-analyzers/ updated: 2026-10-01 site: "Is It on Recall" language: en --- [Recall archive](https://isitonrecall.com/archives/) / FDA device enforcement # IMMULITE 2000 Thyroglobulin (US)- For in vitro diagnostic use with the IMMULITE 2000 Systems Analyzers (IMMULITE 2000... — FDA record Z-0949-2023 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 Dec 7, 2022. Retrieved Oct 1, 2026. Last updated Oct 1, 2026. Archive changed Oct 1, 2026. USDA FSIS records are unavailable; [check FSIS directly](https://www.fsis.usda.gov/recalls). [Source coverage and dates](https://isitonrecall.com/sources/). ## What the record says - **Product**: IMMULITE 2000 Thyroglobulin (US)- For in vitro diagnostic use with the IMMULITE 2000 Systems Analyzers (IMMULITE 2000/ IMMULITE 2000 XPi) for the quantitative measurement of thyroglobulin in serum or heparinized plasma, as an aid in monitoring patients who have undergone thyroidectomy. Catalog # L2KTY2(D) Siemens Material Number (SMN): 10381647 - **Reason**: Potential for Functional Sensitivity to not meet Instructions For Use (IFU) claims with the kit lots; control level one may result outside of published ranges; when control results are in range, users may observe increased imprecision with low level patient samples - **Classification**: Class II - **Recalling firm**: Siemens Healthcare Diagnostics, Inc. - **Quantity**: 717 kits - **Agency-reported status**: Ongoing - **Source record identifier**: Z-0949-2023 [Open the official record](https://api.fda.gov/device/enforcement.json?search=recall_number%3A%22Z-0949-2023%22) [What the recall classes mean](https://isitonrecall.com/guides/recall-classes/). Classification is an agency assessment, not individual medical advice. ## Lot and product identifiers | Label field | Details supplied by the agency | | --- | --- | | Lot, code or applicability | UDI: 00630414972084 Kit Lots: D431, D433, D434, D435, and D436 | Match all identifying details in the current notice. A brand name alone is not enough. ## Distribution Nationwide Foreign: Argentina¿¿¿¿¿¿ Australia¿¿¿¿¿¿ Austria¿¿¿¿¿¿¿¿ Bahrain¿¿¿¿¿¿¿¿ Bangladesh¿¿¿¿¿ Belgium¿¿¿¿¿¿¿¿ Bolivia¿¿¿¿¿¿¿¿ Bosnia¿Herzeg.¿ Brazil¿¿¿¿¿¿¿¿¿ Bulgaria¿¿¿¿¿¿¿ Canada¿¿¿¿¿¿¿¿¿ Chile¿¿¿¿¿¿¿¿¿¿ Colombia¿¿¿¿¿¿¿ Costa¿Rica¿¿¿¿¿ Croatia¿¿¿¿¿¿¿¿ Cyprus¿¿¿¿¿¿¿¿¿ Czech¿Republic¿ Dominican¿Rep.¿ Ecuador¿¿¿¿¿¿¿¿ Egypt¿¿¿¿¿¿¿¿¿¿ Estonia¿¿¿¿¿¿¿¿ Finland¿¿¿¿¿¿¿¿ France¿¿¿¿¿¿¿¿¿ Georgia¿¿¿¿¿¿¿¿ Germany¿¿¿¿¿¿¿¿ Greece¿¿¿¿¿¿¿¿¿ Honduras¿¿¿¿¿¿¿ Hong¿Kong¿¿¿¿¿¿ Hungary¿¿¿¿¿¿¿¿ India¿¿¿¿¿¿¿¿¿¿ Indonesia¿¿¿¿¿¿ Iran¿¿¿¿¿¿¿¿¿¿¿ Iraq¿¿¿¿¿¿¿¿¿¿¿ Ireland¿¿¿¿¿¿¿¿ Israel¿¿¿¿¿¿¿¿¿ Italy¿¿¿¿¿¿¿¿¿¿ Jordan¿¿¿¿¿¿¿¿¿ KA Kazakhstan¿¿¿¿¿ Kosovo¿¿¿¿¿¿¿¿¿ Kyrgyzstan¿¿¿¿¿ Latvia¿¿¿¿¿¿¿¿¿ Lithuania¿¿¿¿¿¿ Macedonia¿¿¿¿¿¿ Malaysia¿¿¿¿¿¿¿ Mexico¿¿¿¿¿¿¿¿¿ Morocco¿¿¿¿¿¿¿¿ Nepal¿¿¿¿¿¿¿¿¿¿ Netherlands¿¿¿¿ P.R.¿China¿¿¿¿¿ Pakistan¿¿¿¿¿¿¿ Panama¿¿¿¿¿¿¿¿¿ Paraguay¿¿¿¿¿¿¿ Peru¿¿¿¿¿¿¿¿¿¿¿ Philippines¿¿¿¿ Poland¿¿¿¿¿¿¿¿¿ Portugal¿¿¿¿¿¿¿ Republic¿Korea¿ Romania¿¿¿¿¿¿¿¿ Russian¿Fed.¿¿¿ Saudi¿Arabia¿¿¿ Serbia¿¿¿¿¿¿¿¿¿ Singapore¿¿¿¿¿¿ Slovakia¿¿¿¿¿¿¿ Slovenia¿¿¿¿¿¿¿ South¿Africa¿¿¿ Spain¿¿¿¿¿¿¿¿¿¿ Sweden¿¿¿¿¿¿¿¿¿ Switzerland¿¿¿¿ Taiwan¿¿¿¿¿¿¿¿¿ Trinidad,Tobago Tunisia¿¿¿¿¿¿¿¿ Turkey¿¿¿¿¿¿¿¿¿ Turkmenistan¿¿¿ U.A.E.¿¿¿¿¿¿¿¿¿ Ukraine¿¿¿¿¿¿¿¿ United¿Kingdom¿ Uruguay¿¿¿¿¿¿¿¿ Uzbekistan¿¿¿¿¿ Vietnam¿¿¿¿¿¿¿¿ States below are derived from the distribution text, including nationwide wording. 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These dates are not interchangeable. ## What to do next Read the official notice for the action that applies to your exact product. [Read the current instructions](https://api.fda.gov/device/enforcement.json?search=recall_number%3A%22Z-0949-2023%22) ## Related records [Medical devices records](https://isitonrecall.com/category/medical-devices/) [Siemens Healthcare Diagnostics, Inc. records](https://isitonrecall.com/brand/siemens-healthcare-diagnostics-inc/)