inforMED
MalfunctionJIL

COMBUR 10-TEST UX 100T

Received Dec 29, 2020 · Event occurred Dec 9, 2020

Report 1823260-2020-03418 · MDR key 11088934

Device

Generic name

Method, Enzymatic, Glucose (urinary, Non-quantitative)

Manufacturer

Roche Diagnostics

Model number

NA

Catalog number

11544373191

Lot number

ASKU

Product problems

  • False Negative Result
  • False Negative Result

Patient

Not reported

  • No Consequences Or Impact To Patient
  • No Consequences Or Impact To Patient

Narrative

Additional Manufacturer Narrative

THE INVESTIGATION COULD NOT IDENTIFY A PRODUCT PROBLEM. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.

Additional Manufacturer Narrative

THE REPORTER'S PRODUCT WAS REQUESTED FOR INVESTIGATION, BUT THE CUSTOMER NO LONGER HAS THE TEST STRIPS. THIS EVENT OCCURRED IN (B)(6).

Description of Event or Problem

THE INITIAL REPORTER STATED THEY RECEIVED A DISCREPANT ERYTHROCYTES RESULT FOR ONE PATIENT SAMPLE TESTED WITH COMBUR 10 UX TEST STRIPS. A SAMPLE FROM THE PATIENT WAS TESTED WITH THE COMBUR 10 UX TEST STRIP AND A VISUAL READ OF THE STRIP DETERMINED THE SAMPLE WAS NEGATIVE FOR ERYTHROCYTES. THE PATIENT WENT TO THE HOSPITAL AND A SECOND SAMPLE WAS COLLECTED FROM THE PATIENT AND TESTED APPROXIMATELY 6 HOURS LATER USING AN UNKNOWN METHOD, RESULTING WITH A 4+ VALUE FOR ERYTHROCYTES. THE PATIENT DID NOT EAT OR DRINK IN BETWEEN THE TWO SAMPLE COLLECTIONS.