--- title: "IMMULITE and IMMULITE 1000 Total Testosterone Assay- In vitro diagnostic use ... — FDA record Z-0355-2023 | Is It on Recall" description: "Confirmed an average positive bias of 40% for testosterone concentrations of approximately 660 ng/dL (22.9 nmol/L) and above with the IMMULITE/IMMULITE 1000 Tot" url: https://isitonrecall.com/recall/fda-device-z-0355-2023-immulite-and-immulite-1000-total-testosterone-assay-in-vitro-diagnostic-use-with-the-immulite-and-im/ updated: 2026-10-01 site: "Is It on Recall" language: en --- [Recall archive](https://isitonrecall.com/archives/) / FDA device enforcement # IMMULITE and IMMULITE 1000 Total Testosterone Assay- In vitro diagnostic use with the IMMULITE and IMMULITE 1000 Anal... — FDA record Z-0355-2023 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 Oct 25, 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 and IMMULITE 1000 Total Testosterone Assay- In vitro diagnostic use with the IMMULITE and IMMULITE 1000 Analyzers for the quantitative measurement of total testosterone in serum and heparinized plasma. - **Reason**: Confirmed an average positive bias of 40% for testosterone concentrations of approximately 660 ng/dL (22.9 nmol/L) and above with the IMMULITE/IMMULITE 1000 Total Testosterone Assay when compared to the IMMULITE 2000/IMMULITE 2000 XPi Total Testosterone Assay. Two (2) lots of Total Testosterone assays for the IMMULITE/IMMULITE 1000, kit lots #515 and #516 were actively distributed to customers when the issue was discovered by Siemens, and they are subject to the correction or removal in this recall (867 total quantity of reagents distributed for each lot). The violative product may cause temporary or medically reversible adverse health consequences or where the probability of serious adverse health consequences is remote. In both males and female, testosterone results are not used in isolation but are interpreted in conjunction with clinical history and symptomology as well as with other laboratory testing (e.g. gonadotropins and other sex steroids). A delay in the diagnosis may be experienced and medical intervention, such as repeat testing may be required. - **Classification**: Class II - **Recalling firm**: Siemens Healthcare Diagnostics, Inc. - **Quantity**: 867 units - **Agency-reported status**: Ongoing - **Source record identifier**: Z-0355-2023 [Open the official record](https://api.fda.gov/device/enforcement.json?search=recall_number%3A%22Z-0355-2023%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: (01)00630414964782(10)0515(17)20221130; (01)00630414964782(10)0516(17)20221231 Lot Numbers: 515, Exp Date: 2022-11-30 516, Exp Date: 2022-12-31 | Match all identifying details in the current notice. A brand name alone is not enough. ## Distribution Worldwide Distribution: US (nationwide) to states of: AL, CA, FL, GA, IN, KY, NC, NE, OR, SD, TX, UT; and OUS (Foreign) to countries of: Canada, Mexico, Austria, Argentina, Austria, Bangladesh, Colombia, Brazil, Bulgaria, Costa¿Rica, Cyprus, Estonia, Germany, Greece, India, U.A.E., Italy, Kazakhstan, Latvia, P.R.¿China, Romania, Russian¿Fed., South Africa, Spain, United Kingdom, Uruguay and Singapore.¿¿¿¿ States below are derived from the distribution text, including nationwide wording. They are not inferred from the firm's address. - [Alaska](https://isitonrecall.com/state/alaska/) - [Alabama](https://isitonrecall.com/state/alabama/) - [Arkansas](https://isitonrecall.com/state/arkansas/) - [Arizona](https://isitonrecall.com/state/arizona/) - [California](https://isitonrecall.com/state/california/) - [Colorado](https://isitonrecall.com/state/colorado/) - [Connecticut](https://isitonrecall.com/state/connecticut/) - [Delaware](https://isitonrecall.com/state/delaware/) - [Florida](https://isitonrecall.com/state/florida/) - [Georgia](https://isitonrecall.com/state/georgia/) - [Hawaii](https://isitonrecall.com/state/hawaii/) - [Iowa](https://isitonrecall.com/state/iowa/) - [Idaho](https://isitonrecall.com/state/idaho/) - [Illinois](https://isitonrecall.com/state/illinois/) - [Indiana](https://isitonrecall.com/state/indiana/) - [Kansas](https://isitonrecall.com/state/kansas/) - [Kentucky](https://isitonrecall.com/state/kentucky/) - [Louisiana](https://isitonrecall.com/state/louisiana/) - [Massachusetts](https://isitonrecall.com/state/massachusetts/) - [Maryland](https://isitonrecall.com/state/maryland/) - [Maine](https://isitonrecall.com/state/maine/) - [Michigan](https://isitonrecall.com/state/michigan/) - [Minnesota](https://isitonrecall.com/state/minnesota/) - [Missouri](https://isitonrecall.com/state/missouri/) - [Mississippi](https://isitonrecall.com/state/mississippi/) - [Montana](https://isitonrecall.com/state/montana/) - [North Carolina](https://isitonrecall.com/state/north-carolina/) - [North Dakota](https://isitonrecall.com/state/north-dakota/) - [Nebraska](https://isitonrecall.com/state/nebraska/) - [New Hampshire](https://isitonrecall.com/state/new-hampshire/) - [New Jersey](https://isitonrecall.com/state/new-jersey/) - [New Mexico](https://isitonrecall.com/state/new-mexico/) - [Nevada](https://isitonrecall.com/state/nevada/) - [New York](https://isitonrecall.com/state/new-york/) - [Ohio](https://isitonrecall.com/state/ohio/) - [Oklahoma](https://isitonrecall.com/state/oklahoma/) - [Oregon](https://isitonrecall.com/state/oregon/) - [Pennsylvania](https://isitonrecall.com/state/pennsylvania/) - [Rhode Island](https://isitonrecall.com/state/rhode-island/) - [South Carolina](https://isitonrecall.com/state/south-carolina/) - [South Dakota](https://isitonrecall.com/state/south-dakota/) - [Tennessee](https://isitonrecall.com/state/tennessee/) - [Texas](https://isitonrecall.com/state/texas/) - [Utah](https://isitonrecall.com/state/utah/) - [Virginia](https://isitonrecall.com/state/virginia/) - [Vermont](https://isitonrecall.com/state/vermont/) - [Washington](https://isitonrecall.com/state/washington/) - [Wisconsin](https://isitonrecall.com/state/wisconsin/) - [West Virginia](https://isitonrecall.com/state/west-virginia/) - [Wyoming](https://isitonrecall.com/state/wyoming/) ## Dates in the source - **Report date**: Dec 14, 2022 - **Recall initiation date**: Oct 25, 2022 - **Center classification date**: Dec 2, 2022 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. ## 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-0355-2023%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/)