MAUDE Adverse Event Report: ABBOTT LABORATORIES ALINITY HQ ANALYZER; COUNTER, DIFFERENTIAL CELL

Catalog Number	09P68-01
Medical Device Problem Code	Low Test Results (2458)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/20/2026
Type of Reportable Event	Malfunction
Event or Problem Description
The customer observed a falsely decreased hemoglobin result generated by the alinity hq analyzer for a patient.The result was not released out of the laboratory.Upon repeat testing, the result was higher.The following data was provided: normal range: 120 to 155 g/l.Initial result = 65 g/l.Repeat result (another analyzer) = 103 g/l.No impact to patient management was reported.
Additional Manufacturer Narrative
An evaluation is in process.A follow-up report will be submitted when the evaluation is complete.

• Brand Name: ALINITY HQ ANALYZER
• Common Device Name: COUNTER, DIFFERENTIAL CELL
• 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: 25026353
• Report Number: 3016438761-2026-00240
• Device Sequence Number: 15985912
• Product Code: GKZ
• UDI-Device Identifier: 00380740138851
• UDI-Public: (01)00380740138851
• Combination Product (Y/N): N
• Initial Reporter Country: UK
• PMA/510(K) Number: K220031
• 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
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 05/18/2026

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: 09P68-01
• 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: 04/21/2026
• Supplement Date Received by Manufacturer: 05/09/2026
• Initial Report FDA Received Date: 04/29/2026
• Supplement Report FDA Received Date: 05/18/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 03/25/2020
• 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