MAUDE Adverse Event Report: ROCHE DIAGNOSTICS ELECSYS TOXO IGM; ENZYME LINKED IMMUNOABSORBENT ASSAY, TOXOPLASMA GONDII

Catalog Number	07028024190
Medical Device Problem Code	False Positive Result (1227)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/15/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The analyzer serial number is (b)(6).The investigation is ongoing.
Event or Problem Description
There was an allegation of questionable elecsys toxo igm results for multiple patient samples on a cobas e 801 analytical unit.The customer alleged that there have been patient samples with positive results, but when tested on other analyzers, the results are negative.No specific results were provided.
Additional Manufacturer Narrative
Section d product information has been updated, as well as g1 manufacturing site and g4.

• Brand Name: ELECSYS TOXO IGM
• Common Device Name: ENZYME LINKED IMMUNOABSORBENT ASSAY, TOXOPLASMA GONDII
• Manufacturer (Section D): ROCHE DIAGNOSTICS; 9115 hague road; indianapolis IN 46250 0457
• Manufacturer (Section G): ROCHE DIAGNOSTICS GMBH; sandhofer strasse 116; mannheim (baden-wurttemberg) 68305 ; GM 68305
• Manufacturer Contact: natalie catton ; 9115 hague road; indianapolis, IN 46250-0457
• MDR Report Key: 24839717
• Report Number: 1823260-2026-01381
• Device Sequence Number: 12250300
• Product Code: LGD
• UDI-Device Identifier: 04015630940318
• UDI-Public: 04015630940318
• Combination Product (Y/N): N
• Initial Reporter Country: AR
• PMA/510(K) Number: K162678
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,User Facility
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 07/01/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 05/21/2026
• Device Catalogue Number: 07028024190
• Device Lot Number: 876770
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 03/16/2026
• Supplement Date Received by Manufacturer: 04/13/2026; 06/11/2026
• Initial Report FDA Received Date: 04/10/2026
• Supplement Report FDA Received Date: 05/07/2026; 07/01/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Sex: Unknown