FDA Adverse Event Malfunction Summary report: N

ADVIA CHEMISTRY HEMOGLOBIN A1C_3 CALIBRATOR

MDR report key: 4090588 · Received September 15, 2014

Report

Report Number
2432235-2014-00548
Event Type
Malfunction
Date Received
September 15, 2014
Date of Event
August 15, 2014
Report Date
August 21, 2014
Manufacturer
SIEMENS HEALTHCARE DIAGNOSTICS INC.
Product Code
JIX
PMA / PMN Number
K081895
Removal / Correction Number
2432235-08/04/14-002-R
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
BR
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

THE ORIGINAL MDR 2432235-2014-00548 WAS FILED ON SEPTEMBER 15, 2014. ADDITIONAL INFORMATION (12/19/14): FINAL ROOT CAUSE: BIAS IN PATIENT SAMPLE AND (B)(4) SURVEY PERFORMANCE WAS NOT DETECTED DUE TO THE INSENSITIVITY IN THE CALIBRATOR AND REAGENT TESTING CONTROL SYSTEM. THE OVERALL CAPABILITY (ERROR BUDGET) OF A1C_3 METHOD WAS NOT SUFFICIENT TO CONSISTENTLY PROVIDE CLINICALLY ACCEPTABLE RESULTS ACROSS ALL REAGENT AND CALIBRATOR LOTS. A KEY COMPONENT OF THE ERROR BUDGET IS THE MANUFACTURING CONTROLS SYSTEM FOR ASSIGNMENT OF THE CALIBRATOR BOTTLE VALUES WHERE THE INACCURACY OF THIS PROCESS IS DUE TO LACK OF STATISTICAL POWER.

Additional Manufacturer Narrative · 1

SIEMENS HAS CONFIRMED THAT THE ADVIA CHEMISTRY SYSTEMS A1C_3 METHOD MAY EXHIBIT A PERCENT BIAS OF -9% TO +11% FOR HEMOGLOBIN (HB)A1C SAMPLES WHEN USING A1C_3 CALIBRATOR LOTS 3HD044 AND 3LD068. DEPENDING ON QUALITY CONTROL LIMITS, THIS ISSUE MAY NOT HAVE BEEN DETECTED. AN URGENT MEDICAL DEVICE RECALL (UMDR) 10819262, REV. A WAS SENT TO US CUSTOMERS AND AN URGENT FIELD SAFETY NOTICE (UFSN) 10819261, REV. A WAS SENT TO OUS CUSTOMERS IN AUGUST OF 2014. THE UMDR AND UFSN STATE THAT CUSTOMERS ARE REQUESTED TO DISCONTINUE USE OF AND DISCARD THE CALIBRATOR LOTS LISTED, AND TO REVIEW THE PHYSICIAN'S LETTER SENT ALONG WITH THE UMDR AND UFSN WITH THEIR MEDICAL DIRECTOR.

Description of Event or Problem · 1

A DISCORDANT A1C_3 RESULT WAS OBTAINED ON A PATIENT SAMPLE ON AN ADVIA 2400 INSTRUMENT. THE DISCORDANT RESULT WAS NOT REPORTED TO THE PHYSICIAN(S). THE SAMPLE WAS REPEATED AND THE HEMOGLOBIN A1C (HBA1C) PERCENTAGE WAS LOWER, WHICH CORRELATED WITH THE CLINICAL PICTURE OF THE PATIENT. IT IS UNKNOWN IF THE CORRECTED RESULT WAS REPORTED TO THE PHYSICIAN(S). THERE ARE NO REPORTS OF PATIENT INTERVENTION OR ADVERSE HEALTH CONSEQUENCES DUE TO THE DISCORDANT A1C_3 RESULT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
570389 ADVIA CHEMISTRY HEMOGLOBIN A1C_3 CALIBRATOR ADVIA CHEMISTRY HEMOGLOBIN A1C_3 CALIBRATOR JIX SIEMENS HEALTHCARE DIAGNOSTICS INC. ADVIA CHEMISTRY A1C_3 CALIBRATOR 3HD044

Patients

Seq Age Sex Outcome Treatment
1