FDA Adverse Event Malfunction Summary report: N

ELECSYS DHEA-S

MDR report key: 23865711 · Received December 22, 2025

Report

Report Number
1823260-2025-05277
Event Type
Malfunction
Date Received
December 22, 2025
Date of Event
November 24, 2025
Report Date
January 30, 2026
Manufacturer
ROCHE DIAGNOSTICS
Product Code
JKC
UDI-DI
04015630940387
PMA / PMN Number
K003174
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
CY
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

CALIBRATION AND QC WERE ACCEPTABLE. THE ALARM TRACE WAS REVIEWED, AND NO ALARMS RELATED TO THE EVENT WERE IDENTIFIED. THE SAMPLE WAS REQUESTED FOR INVESTIGATION, BUT COULD NOT BE PROVIDED. THE CUSTOMER DECLINED TO PROVIDE ANY ADDITIONAL PATIENT INFORMATION. THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.

Additional Manufacturer Narrative · 0

THE E402 ANALYZER SERIAL NUMBER WAS (B)(6).

Description of Event or Problem · 0

THE INITIAL REPORTER QUESTIONED RESULTS FOR 1 PATIENT SAMPLE TESTED FOR ELECSYS DHEA-S (DHEA-S) ON A COBAS E 402 ANALYTICAL UNIT. THE INITIAL RESULT WAS > 1000 G/DL WITH A DATA FLAG. THE REPEAT USING A 1:5 DILUTION WAS 113 G/DL; THE CALCULATED RESULT WAS 565 G/DL. THE MEASURING RANGE OF THE ASSAY IS 0.2 ¿ 1000 G/DL. THE CUSTOMER QUESTIONS WHY THE SAMPLE WOULD REQUIRE DILUTION, AS THE RESULT OF 565 G/DL WAS WITHIN THE MEASURING RANGE OF THE ASSAY. THE CUSTOMER SUSPECTS AN INTERFERENCE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
84404 ELECSYS DHEA-S DEHYDROEPIANDROSTERONE TEST SYSTEM JKC ROCHE DIAGNOSTICS DHEA-S 857267 04015630940387

Patients

Seq Age Sex Outcome Treatment
1 NA Unknown