MAUDE Adverse Event Report: ROCHE DIAGNOSTICS ELECSYS ESTRADIOL III ASSAY; RADIOIMMUNOASSY, ESTRADIOL

Catalog Number	06656021190
Medical Device Problem Codes	High Test Results (2457); Non Reproducible Results (4029)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/19/2026
Type of Reportable Event	Malfunction
Event or Problem Description
There was an allegation of questionable elecsys estradiol iii assay results for 1 patient sample on a cobas e 411 analyzer (disk system).The initial result was 36.64 pg/ml.The sample was repeated, and the result was 15.71 pg/ml.The repeated result was deemed correct as it coincided with the patient's menstrual cycle.
Additional Manufacturer Narrative
The analyzer's serial number is (b)(6).The investigation is ongoing.
Additional Manufacturer Narrative
The qc was acceptable.The field service representative performed a decontamination of the hydraulic system, cleaned, and lubricated some mechanisms.He performed annual maintenance and replaced the measuring cell.The investigation determined that the service actions resolved the issue.

• Brand Name: ELECSYS ESTRADIOL III ASSAY
• Common Device Name: RADIOIMMUNOASSY, ESTRADIOL
• 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: 24897164
• Report Number: 1823260-2026-01452
• Device Sequence Number: 8640503
• Product Code: CHP
• UDI-Device Identifier: 04015630933358
• UDI-Public: 04015630933358
• Combination Product (Y/N): N
• Initial Reporter Country: AR
• PMA/510(K) Number: K965109
• 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
• Report Date (Section B): 06/05/2026

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: 06/30/2026
• Device Catalogue Number: 06656021190
• Device Lot Number: 88086803
• 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: 03/23/2026
• Supplement Date Received by Manufacturer: 05/13/2026
• Initial Report FDA Received Date: 04/16/2026
• Supplement Report FDA Received Date: 06/05/2026
• 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 Age: 8 YR
• Patient Sex: Female