MAUDE Adverse Event Report: Roche Diagnostics cobas c 503 analytical unit; CLINICAL CHEMISTRY ANALYZER

Catalog Number	08463662001
Medical Device Problem Code	High Test Results (2457)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	08/11/2026
Type of Reportable Event	Malfunction

• Brand Name: cobas c 503 analytical unit
• Common Device Name: CLINICAL CHEMISTRY ANALYZER
• Manufacturer (Section D): Roche Diagnostics; 9115 hague road; indianapolis IN 46250 -045
• 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--045
• MDR Report Key: 50539341
• Report Number: 1823260-2026-03576
• Device Sequence Number: 20321192
• Product Code: JJE
• UDI-Device Identifier: 07613336121542
• UDI-Public: 07613336121542
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K191899
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• 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): 09/28/2026

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 Catalogue Number: 08463662001
• Device Lot Number: 92614201
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: No
• Initial Date Received by Manufacturer: 08/11/2026
• Supplement Date Received by Manufacturer: 09/09/2026
• Initial Report FDA Received Date: 09/01/2026
• Supplement Report FDA Received Date: 09/28/2026
• 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