Product Name: Lumipulse pTau 217 Plasma Controls Model/Catalog Number: 81558 Software Version: Not Applicable Product Description:… – Customers may experience inaccurate test results by observing a higher… – Fujirebio Diagnostics, Inc.

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Recall Category: Medical Device Recalls

Recalling Firm: Fujirebio Diagnostics, Inc.

Product: Product Name: Lumipulse pTau 217 Plasma Controls Model/Catalog Number: 81558 Software Version: Not Applicable Product Description: Lumipulse pTau 217 Plasma Controls: This quality control product can be used as an objective judgement of the laboratory s procedures and personnel techniques when analyzing pTau 217 in K2EDTA plasma on the LUMIPULSE G System. It is a valuable tool to assess good laboratory practices. Two levels of control are available to compare observations with expected ranges therefore assuring consistent performance of the testing system within the clinical range. Lumipulse pTau 217 Plasma Controls: Liquid (Frozen), 2 ¿2 Concentrations L1 Level 1 (2¿ 1.5 mL) L2 Level 2 (2¿ 1.5 mL) Contains Tris buffer with protein (bovine) and chemical stabilizers. Preservative: 0.1% ProClin 300, 0.05% ProClin 950 Component: Yes. Lumipulse G pTau217/B-Amyloid 1-42 Plasma Ratio

Reason for Recall: 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).

Classification: Class II

Status: Ongoing

Report Date: 02/11/2026

Recall Initiation Date: 12/11/2025

Distribution: US Nationwide distribution in the states of Arizona, California, Florida, Indiana, Kansas, Kentucky, Maryland, Massachusetts, Minnesota, New Jersey, Pennsylvania, Texas, Washington.

Code Info: Model/Catalog Number: 81558; UDI-DI: 05414470815586; Lot Numbers: D6C6092U, D6C6092U1, D6C6123U;

Product Quantity: 148 units

Recall Type: Voluntary: Firm initiated

Initial Firm Notification: Letter

Firm Location: Malvern, PA, United States

Recall Number: Z-1304-2026

Event ID: 98232

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