FDA Adverse Event Malfunction Summary report: N

INNOVANCE D-DIMER

MDR report key: 10028727 · Received May 6, 2020

Report

Report Number
9610806-2020-00017
Event Type
Malfunction
Date Received
May 6, 2020
Date of Event
April 10, 2020
Report Date
June 2, 2020
Manufacturer
SIEMENS HEALTHCARE DIAGNOSTICS PRODUCTS GMBH
Product Code
DAP
UDI-DI
00842768022814
PMA / PMN Number
K093626
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
US
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 0

SIEMENS FILED THE INITIAL MDR 9610806-2020-00017 ON 06-MAY-2020. ADDITIONAL INFORMATION (18-MAY-2020): SIEMENS HEALTHCARE DIAGNOSTICS INC'S INVESTIGATION HAS DETERMINED THAT QUALITY CONTROLS (QC) RECOVERED WITHIN RANGE AT THE TIME OF THE EVENT. PRECISION WAS ACCEPTABLE AND THERE WERE NO PROBLEMS WITH ANY OTHER SAMPLES. INADEQUATE MIXING, CENTRIFUGATION OR OTHER MISHANDLING OF THE SAMPLE CANNOT BE EXCLUDED AS CONTRIBUTING FACTORS TO THE DISCREPANT RESULTS. THE CUSTOMER HAS BEEN EDUCATED ON THE APPROPRIATE TROUBLESHOOTING STEPS SHOULD AN INSTANCE LIKE THIS OCCUR IN THE FUTURE. THE CUSTOMER IS OPERATIONAL. THE CAUSE OF THE EVENT IS UNKNOWN. THE REAGENT IS PERFORMING ACCORDING TO SPECIFICATIONS. NO FURTHER EVALUATION OF THIS DEVICE IS REQUIRED. MDR9610806-2020-00016_S1 WAS FILED FOR THE SAME ISSUE.

Additional Manufacturer Narrative · 1

THE CUSTOMER CONTACTED A SIEMENS CUSTOMER CARE CENTER (CCC). SIEMENS IS INVESTIGATING THE ISSUE. MDR 9610806-2020-00016 WAS FILED FOR THE DISCORDANT D-DIMER RESULT OBTAINED ON 09-APR-2020.

Description of Event or Problem · 1

DISCORDANT, FALSELY LOW D-DIMER RESULTS WERE OBTAINED ON A PATIENT SAMPLE ON TWO DIFFERENT SYSMEX CA-1500 SYSTEMS USING INNOVANCE D-DIMER REAGENT. WHEN THE PATIENT SAMPLE WAS INITIALLY RUN FOR D-DIMER ON A SYSMEX CA-1500 SYSTEM USING INNOVANCE D-DIMER REAGENT, THE SYSTEM GENERATED A "RANGE OVER" ERROR CODE AND DID NOT GIVE A RESULT. THE SAMPLE WAS REPEATED FOR D-DIMER ON THE SAME SYSTEM WITH THE SAME REAGENT, RECOVERING ABOVE THE LAB'S D-DIMER CUTOFF. THIS RESULT WAS CONSIDERED CORRECT AND WAS REPORTED TO THE PHYSICIAN(S). THE SAMPLE WAS THEN REPEATED FOR D-DIMER ON THE SAME SYSTEM WITH THE SAME REAGENT, RECOVERING BELOW THE CUTOFF. THIS RESULT WAS CONSIDERED DISCORDANT AND WAS NOT REPORTED TO THE PHYSICIAN(S). THE FOLLOWING DAY, THE SAME SAMPLE WAS REPEATED FOR D-DIMER ON AN ALTERNATE SYSMEX CA-1500 SYSTEM USING D-DIMER REAGENT, WHICH ALSO RECOVERED BELOW THE CUTOFF. THIS RESULT WAS ALSO CONSIDERED DISCORDANT AND WAS NOT REPORTED TO THE PHYSICIAN(S). THERE ARE NO REPORTS OF PATIENT INTERVENTION OR ADVERSE HEALTH CONSEQUENCES DUE TO THE DISCORDANT, FALSELY LOW D-DIMER RESULTS.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
494268 INNOVANCE D-DIMER INNOVANCE D-DIMER DAP SIEMENS HEALTHCARE DIAGNOSTICS PRODUCTS GMBH INNOVANCE D-DIMER 49072 00842768022814

Patients

Seq Age Sex Outcome Treatment
1 37 YR