MAUDE Adverse Event Report: ROCHE DIAGNOSTICS ELECSYS PTH; RADIOIMMUNOASSAY, PARATHYROID HORMONE

Catalog Number	07251068190
Medical Device Problem Codes	Low Test Results (2458); Non Reproducible Results (4029)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/20/2023
Type of Reportable Event	Malfunction
Event or Problem Description
The initial reporter stated they received discrepant results for four patient samples tested with elecsys pth on a cobas e 801 analytical unit.No questionable results were reported outside of the laboratory.The first sample initially resulted in a pth value of 7.05 pg/ml and it repeated as 39.4 pg/ml.The second sample initially resulted in a pth value of 7.17 pg/ml and it repeated as 26.6 pg/ml.The third sample initially resulted in a pth value of 7.42 pg/ml and it repeated as 192 pg/ml.The fourth sample initially resulted in a pth value of 7.16 pg/ml and it repeated as 32.2 pg/ml.The repeat values were more in line with the previous results of the patients.
Additional Manufacturer Narrative
The serial number of the cobas e 801 analytical unit is (b)(6).
Additional Manufacturer Narrative
Calibration and controls were acceptable on the day of the event.No reagent issue is present.The field service engineer performed annual preventive maintenance on the analyzer.The investigation could not identify a product problem.The cause of the event could not be determined.

• Brand Name: ELECSYS PTH
• Common Device Name: RADIOIMMUNOASSAY, PARATHYROID HORMONE
• Manufacturer (Section D): ROCHE DIAGNOSTICS; 9115 hague road; indianapolis IN 46250 0457
• Manufacturer (Section G): ROCHE DIAGNOSTICS GMBH; sandhoferstrasse 116; na; mannheim (baden-wurttemberg)
• Manufacturer Contact: amy nelson ; 9115 hague road; na; indianapolis, IN 46250-0457
• MDR Report Key: 17435967
• Report Number: 1823260-2023-02499
• Device Sequence Number: 18387160
• Product Code: CEW
• UDI-Device Identifier: 04015630939787
• UDI-Public: 04015630939787
• Combination Product (Y/N): Y
• Initial Reporter Country: IT
• PMA/510(K) Number: K070709
• 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): 08/29/2023

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: 06/30/2024
• Device Catalogue Number: 07251068190
• Device Lot Number: 70634601
• 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: 07/20/2023
• Supplement Date Received by Manufacturer: 08/09/2023
• Initial Report FDA Received Date: 08/01/2023
• Supplement Report FDA Received Date: 08/29/2023
• 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