Recall Z-1301-2026 · SET Immunoassay Blood Test For Amyloid Pathology Assessment
Fujirebio Diagnostics, Inc.
Product Name: Lumipulse G pTau217/B-Amyloid 1-42 Plasma Ratio Model/Catalog Number: CL0073 Software Version: Not Applicable Product Description: Lumipulse G pTau217/-Amyloid 1-42 Plasma Ratio is an in vitro diagnostic (IVD) test that combines the test results of the Lumipulse G pTau 217 Plasma assay and the Lumipulse G -Amyloid 1-42-N Plasma assay from the same patient specimen (K2EDTA plasma samp
| Date | Feb 5, 2026 (initiated Dec 11, 2025) |
| Status | Open, Classified |
| Reason | Customers may experience inaccurate test results by observing a higher frequency of classification in the indeterminate and positive zone and/or low specificity when compared back to FDA-cleared CSF ratio/PET imaging, due to falsely elevated positive ratio or falsely elevated indeterminate ratio results causing an incorrect classification of a patient as having amyloid pathology associated with Alzheimer s disease (positive result) and/or requiring more clinical testing of that patient (indeterminate result). |
| Root cause | Under Investigation by firm |
| Action | On or about December 11, 2025 URGENT PRODUCT CORRECTION NOTIFICATION letters were sent to customers. Actions to be taken: - Immediately discontinue using the associated Lots listed above for the Lumipulse G pTau217/-Amyloid 1-42 Plasma Ratio. - Review this letter with your Medical Director to determine the appropriate course of action, including for any previously generated results, if applicable. - Notify your ordering physician or health care provider as appropriate. - The test results must be interpreted in conjunction with other diagnostic tools and clinical information. - Please retain th |
| Quantity | 23 units |
| Distribution | US Nationwide distribution in the states of Arizona, California, Florida, Indiana, Kansas, Kentucky, Maryland, Massachusetts, Minnesota, New Jersey, Pennsylvania, Texas, Washington. |
| FDA record | Open on fda.gov |
510(k) clearances named in this recall
| K242706 | Lumipulse G pTau217/ß-Amyloid 1-42 Plasma Ratio Fujirebio Diagnostics,Inc., May 16, 2025 |