ADVIA CHEMISTRY HEMOGLOBIN A1C_3 CALIBRATOR
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
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.
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.
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 |