MAUDE Adverse Event Report: SIEMENS HEALTHCARE DIAGNOSTICS, INC. ATELLICA CH A-LYTE INTEGRATED MULITSENSOR (IMT NA K CL); ELECTRODE, ION SPECIFIC, SODIUM

Model Number	N/A
Medical Device Problem Code	Low Test Results (2458)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	08/28/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
A united states customer contacted the siemens healthcare diagnostics remote services center (rsc) regarding erroneously depressed sodium (na) results on two (2) patient samples using an a-lyte integrated multisensor (imt) obtained on an atellica ch 930 analyzer.Siemens is investigating the event.
Event or Problem Description
The customer reported to siemens erroneously depressed sodium (na) results obtained on two (2) patient samples using an a-lyte integrated multisensor (imt) on an atellica ch 930 analyzer.The erroneously depressed patient results were not reported to the physician(s).The same samples were reprocessed on the same atellica ch 930 analyzer.Higher results were obtained, considered correct and reported to the physician(s).There are no known reports of patient intervention or adverse health consequences due to the erroneously depressed sodium (na) results.
Additional Manufacturer Narrative
Additional information (04-sept-2025): siemens service operations support (sos) concluded the investigation of the event.A customer service engineer (cse) performed multiple service actions on the atellica ch 930 analyzer, as part of troubleshooting.No other discordant results were reported after these service actions.The cause of the event is unknown.A potential product issue was not identified.The customer is operational.The device is performing within specifications.No further evaluation is required.In section h6, the investigation finding and investigation conclusion codes were updated.Initial mdr was filed on 02-sept-2025.

• Brand Name: ATELLICA CH A-LYTE INTEGRATED MULITSENSOR (IMT NA K CL)
• Common Device Name: ELECTRODE, ION SPECIFIC, SODIUM
• Manufacturer (Section D): SIEMENS HEALTHCARE DIAGNOSTICS, INC.; 511 benedict avenue; tarrytown NY 10591 5097
• Manufacturer (Section G): SIEMENS HEALTHCARE DIAGNOSTICS INC.; 500 gbc drive po box 6101; registration #2517506; newark DE 19714 6101
• Manufacturer Contact: linda barletta ; 500 gbc drive; po box 6101; newark, DE 19714-6101
• MDR Report Key: 22991789
• Report Number: 2432235-2025-00229
• Device Sequence Number: 13034119
• Product Code: JGS
• UDI-Device Identifier: 00630414596518
• UDI-Public: (01)00630414596518(10)150006(17)260512
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K222438
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 09/11/2025

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 Expiration Date: 05/12/2026
• Device Model Number: N/A
• Device Catalogue Number: 11099315
• Device Lot Number: 150006
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 08/28/2025
• Supplement Date Received by Manufacturer: 09/04/2025
• Initial Report FDA Received Date: 09/08/2025
• Supplement Report FDA Received Date: 09/11/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 07/02/2025
• 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
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Sex: Unknown