FDA Adverse Event Malfunction Summary report: N

ELECSYS HCG+SS

MDR report key: 23349702 · Received October 21, 2025

Report

Report Number
1823260-2025-04274
Event Type
Malfunction
Date Received
October 21, 2025
Date of Event
September 19, 2025
Report Date
December 9, 2025
Manufacturer
ROCHE DIAGNOSTICS
Product Code
DHA
UDI-DI
04015630939732
PMA / PMN Number
K003178
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
EZ
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

THE PROVIDED SAMPLE FOAM DETECTION IMAGES SHOWED NO ISSUES WITH THE SAMPLE QUALITY AND THE GRIPPERS. THERE WAS NO HINT OF A REAGENT ISSUE. AFTER THE FIELD SERVICE ENGINEER REPLACED THE MEASURING CELLS, THE ISSUE WAS RESOLVED. THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.

Additional Manufacturer Narrative · 0

THE COBAS E 801 ANALYTICAL UNIT SERIAL NUMBER WAS (B)(6). QC WAS WITHIN THE ASSIGNED RANGES ON THE DAY OF THE EVENT. THE INVESTIGATION IS ONGOING.

Description of Event or Problem · 0

WE RECEIVED AN ALLEGATION ABOUT DISCREPANT RESULTS FOR 2 PATIENTS' SAMPLES TESTED WITH ELECSYS HCG+SS ASSAY ON A COBAS E 801 ANALYTICAL UNIT. PATIENT 1: SAMPLE 1: INITIAL RESULT: 60.3 IU/L. ON (B)(6) 2025: A NEW SAMPLE (SAMPLE 2) WAS DRAWN FROM THE PATIENT AND TESTED, RESULTING IN A VALUE OF <0.200 IU/L (ACCOMPANIED BY A DATA FLAG). SAMPLE 1: REPEAT RESULT: <0.200 IU/L (ACCOMPANIED BY A DATA FLAG). PATIENT 2: ON (B)(6) 2025: SAMPLE 1: INITIAL RESULT: 425 IU/L. REPEAT RESULT: 0.<200 IU/L (ACCOMPANIED BY A DATA FLAG). ON (B)(6) 2025: A NEW SAMPLE (SAMPLE 2) WAS DRAWN FROM THE PATIENT AND TESTED, RESULTING IN A VALUE OF <0.200 IU/L (ACCOMPANIED BY A DATA FLAG). THE RESULTS OF <0.200 IU/L WERE DEEMED TO BE CORRECT, AS PATIENT 1 AND PATIENT 2 WERE CONFIRMED NOT TO BE PREGNANT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
841584 ELECSYS HCG+SS SYSTEM, TEST, HUMAN CHORIONIC GONADOTROPIN DHA ROCHE DIAGNOSTICS HCG+BETA 868906 04015630939732

Patients

Seq Age Sex Outcome Treatment
1 NA Female