MAUDE Adverse Event Report: ROCHE DIAGNOSTICS LITHIUM; LITHIUM ASSAY

Catalog Number	08057974190
Medical Device Problem Code	Incorrect Measurement (1383)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	10/01/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The serial number of the c703 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 lithium on a cobas c 703 analytical unit.The sample initially resulted in a lithium value of 2.43 nmol/l and it repeated as 0.94 nmol/l.
Additional Manufacturer Narrative
Please note that the c703 system is not cleared or approved for use in the united states and is not similar to a device cleared or approved in the united states.The investigation could not identify a product problem.The cause of the event could not be determined.

• Brand Name: LITHIUM
• Common Device Name: LITHIUM ASSAY
• 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: 23350214
• Report Number: 1823260-2025-04279
• Device Sequence Number: 20822485
• Product Code: NDW
• UDI-Device Identifier: 07613336121382
• UDI-Public: 07613336121382
• Combination Product (Y/N): N
• Initial Reporter Country: CI
• PMA/510(K) Number: K063684
• 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): 11/10/2025

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: 08057974190
• Device Lot Number: ASKU
• 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: 10/01/2025
• Supplement Date Received by Manufacturer: 10/23/2025
• Initial Report FDA Received Date: 10/21/2025
• Supplement Report FDA Received Date: 11/10/2025
• 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