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    Medical devicesUpdated Jan 3, 2026LysercellOfficial source

    Lysercell WDF recall in Canada: May cause false positive results

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    In plain language

    This recall involves Lysercell WDF, a medical device used in hematology analyzers. It's being recalled because a nonconforming raw material was used, which may lead to false positive differential flags on patient samples. Stop using the affected lot and follow the return steps in the official notice.

    What to do

    • Stop using the product immediately.
    • Check the lot number Y7034.
    • Contact Sysmex for instructions on return or disposal.

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    Affected products

    • Lysercell WDF

      Model: ZA900001

      Lot: Y7034

    Why this matters

    May cause false positive medical test results

    Do I have this product?

    This recall only applies to specific products. Follow the steps below to check.

    1. 1

      Check the product name

      Make sure your product name matches one of the affected products listed above.

    2. 2

      Check the lot number

      Lot numbers identify specific production batches.

      Affected lots: Y7034

    3. 3

      Check the model number

      Model numbers are typically on the product label or packaging.

      Affected models: ZA900001

    If your product matches one or more of the details above, it may be affected by this recall.

    If your product does not match these details, it is not affected by this recall.

    When in doubt, always check the official notice.

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    Frequently Asked Questions

    Why was this product recalled?

    May cause false positive medical test results

    What should consumers do?

    Stop using the product immediately. Check the lot number Y7034. Contact Sysmex for instructions on return or disposal.

    Where was the product sold?

    This product was sold in Canada. For specific retailers or distribution areas, please check the official recall notice linked on this page.

    Is there a health risk?

    Yes, there may be a health risk. May cause false positive medical test results

    When was this product recalled?

    This product was recalled on July 19, 2018.

    Is the Lysercell brand affected by this recall?

    Yes, Lysercell products are affected by this recall. This recall involves Lysercell WDF, a medical device used in hematology analyzers. It's being recalled because a nonconforming raw material was used, which may lead to false positive differential flags on patient samples. Stop using the affected lot and follow the return steps in the official notice.