MAUDE Adverse Event Report: ROCHE DIAGNOSTICS GLUCOSE HK GEN.3; GLUCOSE HEXOKINASE

Catalog Number	08057800190
Medical Device Problem Codes	Incorrect, Inadequate or Imprecise Result or Readings (1535); Low Test Results (2458); Non Reproducible Results (4029)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/08/2023
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The serial number of the c 503 analyzer is (b)(6).The investigation is ongoing.
Event or Problem Description
The initial reporter stated they received discrepant results for one patient sample tested with glucose hk gen.3 on a cobas pro c 503 analytical unit.No questionable results were reported outside of the laboratory.The sample initially resulted in a glucose value of 19.7 mg/dl.The value did not agree with the patient's clinical status, so it was repeated.The sample was repeated on a second analyzer, resulting in a glucose value of 99.9 mg/dl.The repeat value was deemed correct as it matched the patient's clinical status.
Additional Manufacturer Narrative
The field service engineer checked the main pump and gear pump pressures.The rinse volume and probe condition were also checked.Precision studies were performed and were acceptable.Hardware performance testing passed.The investigation could not identify a product problem.The cause of the event could not be determined.The issue was resolved after the service actions.

• Brand Name: GLUCOSE HK GEN.3
• Common Device Name: GLUCOSE HEXOKINASE
• 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: 18245308
• Report Number: 1823260-2023-03809
• Device Sequence Number: 12541683
• Product Code: CFR
• UDI-Device Identifier: 07613336121283
• UDI-Public: 07613336121283
• Combination Product (Y/N): Y
• Initial Reporter State: TX
• Initial Reporter Country: US
• PMA/510(K) Number: K191899NA
• 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): 01/02/2024

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: 08057800190
• Device Lot Number: ASKU
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 11/10/2023
• Supplement Date Received by Manufacturer: 12/22/2023
• Initial Report FDA Received Date: 12/01/2023
• Supplement Report FDA Received Date: 01/02/2024
• 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 Age: 65 YR
• Patient Sex: Female