inforMED
MalfunctionLCP

TINA-QUANT HBALC GEN. 3

Received Nov 29, 2022 · Event occurred Nov 10, 2022

Report 1823260-2022-03790 · MDR key 15880427

Device

Generic name

Assay, Glycosylated Hemoglobin

Manufacturer

Roche Diagnostics

Model number

HBA1C TQ G3

Catalog number

ASKU

Lot number

625162

Product problems

  • Non Reproducible Results
  • Non Reproducible Results

Patient

Unknown

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

Narrative

Additional Manufacturer Narrative

THE CUSTOMER CHANGED THE REAGENT AND NO FURTHER ISSUES OCCURRED AFTER THIS. CALIBRATION DATA SHOWED FREQUENT CALIBRATION ERRORS AND SHORT SAMPLES. QUALITY CONTROL DATA SHOWED A VALUE THAT WAS OUTSIDE OF RANGE. UPON REVIEW OF THE ALARM TRACE, NO RELEVANT ALARMS WERE OBSERVED. THE INVESTIGATION COULD NOT IDENTIFY A PRODUCT PROBLEM. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.

Description of Event or Problem

THE INITIAL REPORTER STATED THEY RECEIVED DISCREPANT RESULTS FOR ONE PATIENT SAMPLE TESTED WITH A1C-3 TINA-QUANT HEMOGLOBIN A1C GEN.3 ON A COBAS 6000 C (501) MODULE. NO INCORRECT RESULTS WERE REPORTED OUTSIDE OF THE LABORATORY. THE SAMPLE INITIALLY RESULTED IN AN HBA1C VALUE OF 8.5 %. THE SAMPLE WAS REPEATED ON (B)(6) 2022, RESULTING IN A VALUE OF 12.4 %. THE REPEAT VALUE WAS BELIEVED TO BE CORRECT. THE SERIAL NUMBER OF THE C 501 ANALYZER IS (B)(4).