MAUDE Adverse Event Report: ROCHE DIAGNOSTICS ELECSYS HCG+SS TEST SYSTEM; SYSTEM, TEST, HUMAN CHORIONIC GONADOTROPIN

Model Number	HCG+BETA
Medical Device Problem Codes	High Test Results (2457); Low Test Results (2458); Chemical Problem (2893); Non Reproducible Results (4029)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/19/2025
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 hcg+ss test system results for 1 patient sample on a cobas e411 analyzer.The initial result was 5.24 miu/ml.The nurse questioned the result as it did not match the patient's clinical picture which prompted the customer to repeat the sample.The repeat result was <0.100 miu/ml.The repeat result was deemed correct.
Additional Manufacturer Narrative
The qc recovery data provided was within specification.The alarm trace did not contain a conspicuous event.Based on the qc data, a general reagent issue could be excluded.The investigation did not identify a product problem.The root cause of the event could not be determined.

• Brand Name: ELECSYS HCG+SS TEST SYSTEM
• Common Device Name: SYSTEM, TEST, HUMAN CHORIONIC GONADOTROPIN
• 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: 24005363
• Report Number: 1823260-2026-00110
• Device Sequence Number: 9250296
• Product Code: DHA
• UDI-Device Identifier: 04015630939022
• UDI-Public: 04015630939022
• Combination Product (Y/N): N
• Initial Reporter State: CT
• Initial Reporter Country: US
• PMA/510(K) Number: K003178
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 04/10/2026

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 Model Number: HCG+BETA
• Device Catalogue Number: 03271749160
• Device Lot Number: 868696
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 12/19/2025
• Supplement Date Received by Manufacturer: 03/18/2026
• Initial Report FDA Received Date: 01/08/2026
• Supplement Report FDA Received Date: 04/10/2026
• 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: 39 YR
• Patient Sex: Female