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

Catalog Number	07028008190
Medical Device Problem Code	High Test Results (2457)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/01/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The cobas e 801 analytical unit serial number is (b)(6).The investigation is ongoing.
Event or Problem Description
The initial reporter received questionable elecsys toxo igg results from multiple patient samples tested on the cobas e 801 analytical unit.The results from the analyzer were positive.The results from another analyzer were negative.The reporter stated that reruns with the analyzer yield no results, but when rerun using a different brand of test tube, the clinical interpretation changes.
Additional Manufacturer Narrative
Medwatch d4 lot no updated.On 07-apr-2026, it was reported that the initial elecsys toxo igg result was 67.7 iu/ml.

• Brand Name: ELECSYS TOXO IGG
• 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
• MDR Report Key: 24779989
• Report Number: 1823260-2026-01287
• Device Sequence Number: 10036975
• Product Code: LGD
• UDI-Device Identifier: 04015630940301
• UDI-Public: 04015630940301
• Combination Product (Y/N): N
• Initial Reporter Country: AR
• PMA/510(K) Number: K073501
• 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 Catalogue Number: 07028008190
• Device Lot Number: 866769
• 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: 03/13/2026
• Supplement Date Received by Manufacturer: 04/07/2026; 06/11/2026
• Initial Report FDA Received Date: 04/03/2026
• Supplement Report FDA Received Date: 05/01/2026; 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