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

Catalog Number	07027249190
Medical Device Problem Codes	Incorrect, Inadequate or Imprecise Result or Readings (1535); High Test Results (2457); Low Test Results (2458); Non Reproducible Results (4029)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/03/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The cobas e 801 analytical unit serial number was (b)(6).The investigation is ongoing.
Event or Problem Description
There was an allegation of questionable elecsys estradiol iii results from the cobas e 801 analytical unit.The customer received two different sample tubes for the same patient that were drawn at the same time.The samples were both tested on the same module.Sample 1 result was 401 pmol/l.Sample 2 result was 286 pmol/l.
Additional Manufacturer Narrative
Medwatch field d4 expiration date was updated.Due to the limited information provided, the investigation was unable to determine a specific root cause.On the date of the event, multiple sample quality-related alarms occurred, indicating potential pre-analytical handling issues.A general reagent or analyzer problem was not present, because the qc prior to the event was within ranges.There was no product problem identified.

• Brand Name: ELECSYS ESTRADIOL III
• 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: 23619237
• Report Number: 1823260-2025-04774
• Device Sequence Number: 9052028
• Product Code: CHP
• UDI-Device Identifier: 04015630939671
• UDI-Public: 04015630939671
• Combination Product (Y/N): N
• Initial Reporter Country: CA
• 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): 12/12/2025

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: 04/30/2026
• Device Catalogue Number: 07027249190
• Device Lot Number: 858578
• 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: 11/03/2025
• Supplement Date Received by Manufacturer: 11/28/2025
• Initial Report FDA Received Date: 11/21/2025
• Supplement Report FDA Received Date: 12/12/2025
• 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