inforMED
MalfunctionLCP

TINA-QUANT HEMOGLOBIN A1CDX GEN. 3

Received Nov 17, 2023 · Event occurred Oct 26, 2023

Report 1823260-2023-03646 · MDR key 18158758

Device

Generic name

Glycosylated Hemoglobin Assay

Manufacturer

Roche Diagnostics

Catalog number

08056668190

Lot number

715056

Product problems

  • High Test Results
  • High Test Results

Patient

Unknown

  • No Clinical Signs, Symptoms or Conditions
  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

THE ISSUE WAS RESOLVED AFTER THE EXCHANGE AND ADJUSTMENT OF A SAMPLE PROBE. NO FURTHER ISSUES HAVE OCCURRED. THE INVESTIGATION DETERMINED THE EXCHANGE AND ADJUSTMENT OF THE PROBE RESOLVED THE ISSUE.

Additional Manufacturer Narrative

THE SERIAL NUMBER OF THE C 503 ANALYZER IS (B)(6). THE SAMPLE PROBE ASSEMBLY WAS CHANGED AND ADJUSTED. THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THE INITIAL REPORTER STATED THEY RECEIVED DISCREPANT RESULTS FOR THREE PATIENT SAMPLES TESTED WITH TINA-QUANT HEMOGLOBIN A1CDX GEN. 3 (HBA1C) ON A COBAS PRO C 503 ANALYTICAL UNIT. THE FIRST SAMPLE INITIALLY RESULTED IN AN HBA1C VALUE OF 7.81 % AND IT REPEATED AS 5.45 %. THE SECOND SAMPLE INITIALLY RESULTED IN AN HBA1C VALUE OF 7.34 % AND IT REPEATED AS 5.77 %. THE THIRD SAMPLE INITIALLY RESULTED IN AN HBA1C VALUE OF 5.95 % AND IT REPEATED AS 5.40 %.