FDA Adverse Event Malfunction Summary report: N

VITROS CHEMISTRY PRODUCTS NA+ SLIDES

MDR report key: 23594595 · Received November 19, 2025

Report

Report Number
1319809-2025-00093
Event Type
Malfunction
Date Received
November 19, 2025
Date of Event
October 19, 2025
Report Date
November 19, 2025
Manufacturer
ORTHO-CLINICAL DIAGNOSTICS, INC.
Product Code
JGS
UDI-DI
10758750004812
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
US
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

THE INVESTIGATION DETERMINED THAT A NON-REPRODUCIBLE, HIGHER THAN EXPECTED SODIUM (NA+) RESULT WAS OBTAINED FROM A SINGLE PATIENT SAMPLE PROCESSED USING VITROS CHEMISTRY PRODUCTS NA+ SLIDES LOT 4202-1174-7266 ON A VITROS XT 7600 INTEGRATED SYSTEM. THE INVESTIGATION COULD NOT DETERMINE A DEFINITIVE ASSIGNABLE CAUSE OF THE EVENT. BASED ON HISTORICAL QUALITY CONTROL RESULTS, A VITROS NA+ LOT 4202-1174-7266 PERFORMANCE ISSUE IS NOT A LIKELY CONTRIBUTOR OF THE EVENT. HOWEVER, AN INDIVIDUAL SLIDE RELATED ISSUE COULD NOT BE ENTIRELY RULED OUT. CONTINUAL TRACKING AND TRENDING OF COMPLAINTS HAS NOT IDENTIFIED ANY SIGNALS THAT WOULD POINT TO A POTENTIAL SYSTEMIC ISSUE WITH VITROS NA+ LOT 4202-1174-7266. PRE-ANALYTICAL SAMPLE MIX-UP WAS NOT A LIKELY CONTRIBUTOR TO THE EVENT, AS A REVIEW OF THE SAMPLE VISCOSITIES SHOWED SIMILAR RESULTS BETWEEN THE INITIAL AND REPEAT SAMPLES, INDICATING THAT THE SAME SAMPLE WAS PROCESSED. PRE-ANALYTICAL SAMPLE PROCESSING COULD NOT BE RULED OUT AS A CONTRIBUTING FACTOR AS THE CUSTOMER WAS NOT FOLLOWING THE SAMPLE COLLECTION DEVICE MANUFACTURER'S RECOMMENDED CENTRIFUGATION PROTOCOL. IMPROPER PRE-ANALYTICAL SAMPLE HANDLING COULD HAVE CONTRIBUTED TO THIS EVENT. IT IS POSSIBLE THAT CELLULAR DEBRIS, DUE TO POOR SAMPLE PREPARATION, WAS PRESENT IN THE AFFECTED SAMPLE, ALTHOUGH THIS COULD NOT BE CONFIRMED. AN INSTRUMENT ISSUE IS AN UNLIKELY CONTRIBUTOR TO THE EVENT AS VITROS NA+ DIAGNOSTIC PRECISION TESTING AROUND THE TIME THE HIGHER THAN EXPECTED RESULT WAS OBTAINED INDICATED ACCEPTABLE PERFORMANCE OF THE VITROS XT 7600 INTEGRATED SYSTEM.

Description of Event or Problem · 0

A CUSTOMER CONTACTED THE ORTHO CLINICAL DIAGNOSTICS (ORTHO) TECHNICAL SOLUTION CENTER (TSC) TO REPORT A NON-REPRODUCIBLE, HIGHER THAN EXPECTED SODIUM (NA+) RESULT WAS OBTAINED FROM A SINGLE PATIENT SAMPLE PROCESSED USING VITROS CHEMISTRY PRODUCTS NA+ SLIDES LOT 4202-1174-7266 ON A VITROS XT 7600 INTEGRATED SYSTEM. PATIENT RESULT OF 140.9 MMOL/L VS AN EXPECTED RESULT OF 124.0 MMOL/L BIASED RESULTS OF THE MAGNITUDE AND DIRECTION OBSERVED MAY LEAD TO INAPPROPRIATE PHYSICIAN ACTION IF THEY WERE TO OCCUR UNDETECTED. THE NON-REPRODUCIBLE, HIGHER THAN EXPECTED PATIENT RESULT WAS NOT REPORTED OUTSIDE OF THE LABORATORY. THERE HAS BEEN NO REPORTED ALLEGATION OF PATIENT HARM AS A RESULT OF THIS EVENT. THIS REPORT CORRESPONDS TO ORTHO CLINICAL DIAGNOSTICS INC (ORTHO) COMPLAINT NUMBER (B)(4) AND REPORTABILITY ASSESSMENT (B)(4).

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
2363226 VITROS CHEMISTRY PRODUCTS NA+ SLIDES IN-VITRO DIAGNOSTICS JGS ORTHO-CLINICAL DIAGNOSTICS, INC. 4202-1174-7266 10758750004812

Patients

Seq Age Sex Outcome Treatment
1 NA Unknown