MAUDE Adverse Event Report: ROCHE DIAGNOSTICS COBAS C 703 ANALYTICAL UNIT; ANALYZER, CHEMISTRY (PHOTOMETRIC, DISCRETE), FOR CLINICAL USE

Model Number	C703
Medical Device Problem Code	Non Reproducible Results (4029)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/17/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The crep2 reagent lot number was 93730901 with an expiration date of 30-nov-2026.The field service engineer (fse) performed cleaning, auto-adjustment, and washing of the sample probe.Qc was acceptable.The customer had no further issues.The investigation determined that the service actions resolved the issue.Based on the information provided, the cause of the event could not be determined.
Event or Problem Description
The initial reporter complained of discrepant results for 1 patient sample tested for creatinine plus ver.2 (crep2) on a cobas c 703 analytical unit.The initial result was 1.50 mg/dl.The repeat result was 0.84 mg/dl.

• Brand Name: COBAS C 703 ANALYTICAL UNIT
• Common Device Name: ANALYZER, CHEMISTRY (PHOTOMETRIC, DISCRETE), FOR CLINICAL USE
• Manufacturer (Section D): ROCHE DIAGNOSTICS; 9115 hague road; indianapolis IN 46250 0457
• Manufacturer (Section G): HITACHI HIGH TECH CORP.; 882 ichige hitachinaka; ibaraki 312-8 504; JA 312-8504
• Manufacturer Contact: natalie catton ; 9115 hague road; indianapolis, IN 46250
• MDR Report Key: 25126569
• Report Number: 1823260-2026-01812
• Device Sequence Number: 18308087
• Product Code: JJE
• UDI-Device Identifier: 07613336200544
• UDI-Public: 07613336200544
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K253490
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,User Facility
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 05/08/2026

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: C703
• Device Catalogue Number: 09502971001
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 04/17/2026
• Initial Report FDA Received Date: 05/08/2026
• 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 Sex: Unknown