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

Catalog Number	07027249190
Medical Device Problem Codes	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	01/20/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The serial number of the e 402 analyzer was (b)(6).The investigation is ongoing.
Event or Problem Description
The initial reporter stated they received discrepant results for one patient sample tested with elecsys estradiol iii on a cobas pure e 402 analytical unit.The sample initially resulted in an estradiol value of 173 pg/ml.The sample was repeated twice, resulting in values of 37.1 pg/ml and 37.2 pg/ml.
Additional Manufacturer Narrative
Control recovery was within expectations.A general reagent or analyzer issue can be ruled out.Isolated non-reproducible results do not represent a general malfunction of the assay.The investigation could not identify a product problem.The cause of the event could not be determined.

• 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: 24277212
• Report Number: 1823260-2026-00421
• Device Sequence Number: 13212167
• Product Code: CHP
• UDI-Device Identifier: 04015630939671
• UDI-Public: 04015630939671
• Combination Product (Y/N): N
• Initial Reporter Country: BE
• 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): 03/03/2026

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: 07027249190
• Device Lot Number: 887565
• 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: 01/22/2026
• Supplement Date Received by Manufacturer: 02/12/2026
• Initial Report FDA Received Date: 02/06/2026
• Supplement Report FDA Received Date: 03/03/2026
• 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