MAUDE Adverse Event Report: ABBOTT LABORATORIES ARCHITECT C4000 PROCESSING MODULE; ANALYZER, CHEMISTRY (PHOTOMETRIC, DISCRETE), FOR CLINICAL USE

Catalog Number	02P24-01
Medical Device Problem Code	Incorrect, Inadequate or Imprecise Result or Readings (1535)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/23/2025
Type of Reportable Event	Malfunction
Event or Problem Description
The customer observed inconsistent magnesium results when processing on the architect c4000 processing module.Sid (b)(6) initial result 3.4 repeated on other architect c4000 resulted <0.8 mg/dl.Sid (b)(6) initial result >8.0 repeated on other architect c4000 resulted 2.1 and 2 mg/dl.No impact to patient management was reported.
Additional Manufacturer Narrative
Section a : patient information: patient identifier of multiple is (b)(6).No additional patient information was provided.An evaluation is in process.A followup report will be submitted when the evaluation is complete.
Additional Manufacturer Narrative
The field service representative (fsr) inspected the instrument and replaced the broken cuvette dry tip, resolving the issue.No additional discrepant results were reported since the part was replaced.The instrument service history review for (b)(6) revealed no additional service tickets associated with discrepant/erratic results.There were no additional service or complaint issues on or around the date this complaint was initiated that may have contributed to this issue.A review of tracking and trending for the architect c4000 did not identify an increase in complaint activity.A review of tracking and trending for the cc cuv dry tip did not identify an increase in complaint activity.Review of the manufacturing documentation did not identify any non-conformances associated with the complaint issue.Labeling was reviewed and found to adequately address the issue under review.Based on the investigation, no systemic issue or deficiency of the architect c4000 processing module for serial (b)(6) or the cc cuv dry tip were identified.
Event or Problem Description
The customer observed inconsistent magnesium results when processing on the architect c4000 processing module.Sid (b)(6) initial result 3.4 repeated on other architect c4000 resulted <0.8 mg/dl.Sid (b)(6) initial result >8.0 repeated on other architect c4000 resulted 2.1 and 2 mg/dl.No impact to patient management was reported.

• Brand Name: ARCHITECT C4000 PROCESSING MODULE
• Common Device Name: ANALYZER, CHEMISTRY (PHOTOMETRIC, DISCRETE), FOR CLINICAL USE
• Manufacturer (Section D): ABBOTT LABORATORIES; 1915 hurd drive; irving TX 75038
• Manufacturer (Section G): ABBOTT LABORATORIES; 1915 hurd drive; irving TX 75038
• Manufacturer Contact: nicole jenne ; max-planck-ring 2; post market surveillance; wiesbaden 65205 ; GM 65205 ; 6122582960
• MDR Report Key: 22836266
• Report Number: 3016438761-2025-00482
• Device Sequence Number: 15840033
• Product Code: JJE
• UDI-Device Identifier: 00380740003746
• UDI-Public: (01)00380740003746
• Combination Product (Y/N): N
• Initial Reporter State: NJ
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 12/08/2025

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: 02P24-01
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/23/2025
• Supplement Date Received by Manufacturer: 11/19/2025
• Initial Report FDA Received Date: 08/18/2025
• Supplement Report FDA Received Date: 12/08/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 08/01/2017
• 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
• Concomitant Medical Products and Therapy/Usage Dates: CC MAGNESIUM (1000T), 03P68-24,; CC MAGNESIUM (1000T), 03P68-24,
• Patient Sex: Unknown