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Lower risk Medical device recall · FDA · Published August 25, 2020

Siemens Atellica HER-2/neu Assay Kits May Give False Results

Siemens recalls Atellica IM HER-2/neu assay kits that may produce false positive or negative results due to inaccurate Upper Limit of Normal measurements.

🇺🇸 FDA recall #Z-0115-2021Medical deviceSiemens Healthcare ›
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Recalling firmSiemens Healthcare Diagnostics, Inc333 Coney St · East Walpole, MA 02032-1516
✎ GovInfoNow plain-language explainer

Siemens is recalling Atellica IM HER-2/neu assay kits and calibrators that could give false positive or negative results. This means test results might be inaccurate, which could affect medical decisions. Read more at govinfonow.com/recall/64436-siemens-atellica-her-2-neu-assay-kits-may-give-false.

Source Summary by GovInfoNow · govinfonow.com/recall/64436-siemens-atellica-her-2-neu-assay-kits-may-give-false · Updated August 19, 2026 · FDA enforcement record: FDA #Z-0115-2021

Cite this page

“Siemens Atellica HER-2/neu Assay Kits May Give False Results.” GovInfoNow, updated August 19, 2026. https://govinfonow.com/recall/64436-siemens-atellica-her-2-neu-assay-kits-may-give-false. Based on FDA recall #Z-0115-2021 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-0115-2021%22&limit=1).

The FDA announced on 2020-08-25 that Siemens Healthcare Diagnostics, Inc. is recalling specific Atellica IM and ADVIA Centaur HER-2/neu assay kits and calibrators because the claimed Upper Limit of Normal was not achieved. This defect can potentially result in false positive or false negative results.

How to tell if you have it

  • Atellica IM HER-2/neu (H2n) assay, 50 Test Kit, Catalog No. SMN 10995591
  • Atellica IM HER-2/neu (H2n) calibrator, 2 Pack, Catalog No. SMN 10995592
  • ADVIA Centaur HER-2/neu (H2n) assay, 50 Test Kit, Catalog No. SMN 10308994
  • Advia Centaur Systems HER-2/neu (H2n) calibrator, 2 Pack, Catalog No. SMN 10308993

The hazard

Siemens confirmed that the Upper Limit of Normal (ULN) as claimed in the Instructions for Use was no longer achieved. This can potentially result in false positive or false negative results.

Context

GovInfoNow's records show Siemens Healthcare Diagnostics, Inc. has 150 other recalls on record since 2017-06-07. Other recent recalls of similar products include Siemens Atellica CH RCRP Test May Give False High Results (2026-08-17), Beckman Coulter Emit 2000 Quinidine Assay Recall (2026-07-13), and Siemens Atellica CH Urine Albumin Recall (2026-07-06). Other recent recalls of similar products include Diagnostica Stago Asserachrom HPIA Kit Recall (2025-12-15), Magellan LeadCare II Blood Lead Test Kits (2026-03-13), and Siemens Healthineers Immulite 2000 Syphilis Screen Recall (2026-07-13).

How to tell if you have this one

Check for the catalog numbers SMN 10995591, SMN 10995592, SMN 10308994, or SMN 10308993. Look for specific UDI codes listed in the recall notice.

  • Brand
    Siemens Healthcare
  • Product
    Siemens Healthcare Diagnostics, Inc recalls Atellica IM HER-2/neu (H2n) assay, 50 Test Kit, Catalog No. SMN 10995591, UDI Codes
  • Category
    Medical device
Based on the official FDA remedy

What to do — step by step

  1. Check Product Details

    Verify your kit's catalog number and UDI codes against the list provided in the recall notice.

Where it went and when

Where it was distributed

Distributed nationwide.

Alaska: yesAKMaine: yesMEVermont: yesVTNew Hampshire: yesNHWashington: yesWAIdaho: yesIDMontana: yesMTNorth Dakota: yesNDMinnesota: yesMNIllinois: yesILWisconsin: yesWIMichigan: yesMINew York: yesNYRhode Island: yesRIMassachusetts: yesMAOregon: yesORNevada: yesNVWyoming: yesWYSouth Dakota: yesSDIowa: yesIAIndiana: yesINOhio: yesOHPennsylvania: yesPANew Jersey: yesNJConnecticut: yesCTCalifornia: yesCAUtah: yesUTColorado: yesCONebraska: yesNEMissouri: yesMOKentucky: yesKYWest Virginia: yesWVVirginia: yesVAMaryland: yesMDDelaware: yesDEArizona: yesAZNew Mexico: yesNMKansas: yesKSArkansas: yesARTennessee: yesTNNorth Carolina: yesNCSouth Carolina: yesSCDistrict of Columbia: yesDCOklahoma: yesOKLouisiana: yesLAMississippi: yesMSAlabama: yesALGeorgia: yesGAHawaii: yesHITexas: yesTXFlorida: yesFL

FDA distribution: “US Nationwide distribution.” States read from FDA’s own wording; “not listed” means the notice does not name it.

Distributed nationwide.

Recall timeline

FDA terminated this recall 2.5 years after the firm started it.

1. Firm started the recall: Aug 25, 202012. FDA classified it Class II: Oct 16, 202023. Published in FDA’s Enforcement Report: Oct 28, 202034. FDA terminated the recall: Mar 10, 2023420202023
  1. Firm started the recall
  2. FDA classified it Class II
  3. Published in FDA’s Enforcement Report
  4. FDA terminated the recall

Dates from the agency record only; steps without a date are left out.

✎ GovInfoNow

Questions people ask

Do I need to stop using these products?

No, the recall does not require immediate discontinuation. Users should check their product details and follow the provided steps to verify if they have affected items.

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Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

  • Official source: FDA Recall #Z-0115-2021 (August 25, 2020) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-0115-2021 to see it in context.
  • Plain-language summary written by qwen3:4b on August 19, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
  • GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.
GovInfoNow is an independent guide. We are not FDA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA