MAUDE Adverse Event Report: ROCHE DIAGNOSTICS ELECSYS CA 19-9; TEST, CARBOHYDRATE ANTIGEN (CA19-9)

Catalog Number	11776193122
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	01/14/2024
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The serial number of the cobas 6000 core unit is (b)(6).Medwatch field e1.Facility name - the full facility name was provided as "(b)(6) hospital".The investigation is ongoing.
Event or Problem Description
The initial reporter stated they received discrepant results for one patient sample tested with elecsys ca 19-9 on a cobas 6000 core unit.The sample initially resulted in a ca 19-9 value of 55.5 u/ml and it repeated as 1.2 u/ml.
Additional Manufacturer Narrative
The customer considered the repeat result to be correct because it was consistent with the patient's clinical condition.Quality control results are acceptable.Precision studies were acceptable.The investigation could not identify a product problem.The cause of the event could not be determined.

• Brand Name: ELECSYS CA 19-9
• Common Device Name: TEST, CARBOHYDRATE ANTIGEN (CA19-9)
• 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: amy nelson ; 9115 hague road; indianapolis, IN 46250
• MDR Report Key: 18609028
• Report Number: 1823260-2024-00275
• Device Sequence Number: 14133899
• Product Code: NIG
• UDI-Device Identifier: 04015630904297
• UDI-Public: 04015630904297
• Combination Product (Y/N): Y
• Initial Reporter Country: CH
• PMA/510(K) Number: K050231
• 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): 02/06/2024

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: 11776193122
• Device Lot Number: 705691
• 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: 01/15/2024
• Supplement Date Received by Manufacturer: 01/31/2024
• Initial Report FDA Received Date: 01/30/2024
• Supplement Report FDA Received Date: 02/06/2024
• 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