Fujirebio Diagnostics, Inc. recalls Product Name: Lumipulse G ¿-Amyloid 1-42-N Plasma Calibrators Model/Catalog Number: 23…

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).

Product Name: Lumipulse G ¿-Amyloid 1-42-N Plasma Calibrators Model/Catalog Number: 235454 Software Version: Not Applicable Product Description: Lumipulse G ¿-Amyloid 1-42-N Plasma Calibrators: The ¿-Amyloid 1-42 plasma concentration of a specimen is automatically calculated from the calibration curve, which is automatically calculated from calibration data. The result of the calculation is reported in pg/mL. Lumipulse G ¿-Amyloid 1-42-N Plasma Calibrators: Liquid (Frozen), 1 ¿ 1.5 mL (4 Concentrations) CAL 1 0 pg/mL ¿-Amyloid 1-42-N Plasma Calibrator CAL 2 30 pg/mL ¿-Amyloid 1-42-N Plasma Calibrator CAL 3 100 pg/mL ¿-Amyloid 1-42-N Plasma Calibrator CAL 4 1000 pg/mL ¿-Amyloid 1-42-N Plasma Calibrator Contains Tris buffer with protein (bovine) and chemical stabilizers. Preservative: 0.1% ProClin 950. Component: Yes. Lumipulse G pTau217/B-Amyloid 1-42 Plasma Ratio

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 this letter with your laboratory records and forward this leer to those who may have received this product.

• FDA enforcement recordOfficial FDA database entry for Z-1306-2026
• FDA 510(k) clearance · K242706The device's official FDA premarket clearance record
• FDA device classification · SETOfficial FDA classification for this device type
• CFR regulation · 21 CFR 866.5840The federal regulation governing this device
• FDA recall announcementSearch FDA.gov for the official press announcement
• Find Fujirebio Diagnostics, Inc.Search for the manufacturer's official notice
• News coverageRecent reporting on this recall and manufacturer
• openFDA data recordThe raw JSON record this page is built from

Source: U.S. FDA openFDA device enforcement reports. This summary is informational and may lag or differ from the official record. Always verify against the FDA before acting.