FDA Adverse Event Malfunction Summary report: N

ELECSYS CYFRA 21-1

MDR report key: 19730395 · Received July 12, 2024

Report

Report Number
1823260-2024-02004
Event Type
Malfunction
Date Received
July 12, 2024
Date of Event
May 21, 2024
Report Date
August 9, 2024
Manufacturer
ROCHE DIAGNOSTICS
Product Code
OVK
UDI-DI
04015630939664
PMA / PMN Number
K980887
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
CH
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

THE CEA REAGENT LOT NUMBER WAS 749425 WITH AN EXPIRATION DATE OF 31-JAN-2025. THE HE4 REAGENT LOT NUMBER WAS 738510 WITH AN EXPIRATION DATE OF 31-MAR-2025. THE COBAS 8000 CORE UNIT SERIAL NUMBER WAS (B)(6) . THE ALARM TRACE SHOWED MULTIPLE ABNORMAL SAMPLE ASPIRATION ALARMS AND ABNORMAL SAMPLE PROBE MOVEMENT ALARMS ON THE DAY OF THE EVENT. THE INVESTIGATION IS ONGOING.

Additional Manufacturer Narrative · 0

ON (B)(6) 2024, THE HE4 RESULT WAS 98.37 PMOL/L AFTER A MANUAL DILUTION OF 1:20 USING DILUENT UNIVERSAL. THE CUSTOMER USED AN INCORRECT DILUTION SOLUTION FOR THE HE4 ASSAY. THE CUSTOMER WAS ADVISED TO USE DILUENT MULTIASSAY AS THE PRODUCT LABELING STATES: "SAMPLES WITH HE4 CONCENTRATIONS ABOVE THE MEASURING RANGE CAN BE DILUTED WITH DILUENT MULTIASSAY." ON 19-JUL-2024 THE SAMPLE WAS REQUESTED BUT IT WAS NOT AVAILABLE FOR INVESTIGATION. CALIBRATION AND QC DATA WERE REQUESTED BUT WERE NOT PROVIDED. THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE CEA, CYFRA 21-1, AND HE4 REAGENTS PERFORM WITHIN THE SPECIFIED RANGES. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.

Description of Event or Problem · 0

WE RECEIVED AN ALLEGATION ABOUT QUESTIONABLE RESULTS NOT MATCHING THE PATIENT'S CLINICAL PICTURE FOR 1 PATIENT SERUM SAMPLE TESTED WITH ELECSYS CEA ASSAY, ELECSYS CYFRA 21-1 ASSAY, AND ELECSYS HE4 ASSAY ON A COBAS 8000 COBAS E602 MODULE WHEN COMPARED TO A NON-ROCHE ANALYZER. THIS MEDWATCH WILL APPLY TO THE CYFRA 21-1 ASSAY. PLEASE REFER TO THE MEDWATCH WITH A1. PATIENT IDENTIFIER (B)(6) FOR INFORMATION RELATED TO THE CEA ASSAY. PLEASE REFER TO THE MEDWATCH WITH A1. PATIENT IDENTIFIER (B)(6) FOR INFORMATION RELATED TO THE HE4 ASSAY. THE SAMPLE WAS INITIALLY TESTED ON THE E602 ANALYZER AND REPEATED ON A NON-ROCHE ANALYZER ON (B)(6) 2024. TWO TEST RESULTS WERE CONSISTENT. CEA: INITIAL RESULT: 13.62 NG/ML. REPEAT RESULT: 13.37 NG/ML. CYFRA 21-1: INITIAL RESULT: 54.37 NG/ML. REPEAT RESULT: 55.767 NG/ML. HE4: INITIAL RESULT: 1500 PMOL/L (ACCOMPANIED BY A DATA FLAG). RESULT AFTER DILUTION: 1967.4 PMOL/L. REPEAT RESULT: 1500 PMOL/L (ACCOMPANIED BY A DATA FLAG). RESULT AFTER DILUTION: 4151.754 PMOL/L. THE ABOVE PATIENT TEST RESULTS WERE CONSIDERED HIGHER THAN THE NORMAL REFERENCE RANGE. THE CUSTOMER SUSPECTED AN INTERFERENCE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
314143 ELECSYS CYFRA 21-1 CYTOKERATIN FRAGMENTS 21-1 EIA OVK ROCHE DIAGNOSTICS 711310 04015630939664

Patients

Seq Age Sex Outcome Treatment
1 NA Unknown