inforMED
MalfunctionJIL

COMBUR 6-TEST 50 STR.

Received Mar 9, 2020 · Event occurred Feb 19, 2020

Report 1823260-2020-00678 · MDR key 9806639

Device

Generic name

Urine Test Strips

Manufacturer

Roche Diagnostics

Model number

NA

Catalog number

11896962257

Lot number

39008702

Product problems

  • False Positive Result
  • False Positive Result

Patient

Not reported

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

Narrative

Additional Manufacturer Narrative

THE INVESTIGATION IS ONGOING. THIS EVENT OCCURRED IN (B)(6).

Description of Event or Problem

THE INITIAL REPORTER RECEIVED QUESTIONABLE FALSE POSITIVE URINE NITRITE RESULTS FOR AN UNKNOWN NUMBER OF PATIENT SAMPLES. THE CUSTOMER STATED THE TEST PADS WERE DISCOLORED AND THE PAD LOOKED PINK BEFORE TESTING. IT WAS UNKNOWN IF ANY QUESTIONABLE RESULT WAS REPORTED OUTSIDE OF THE LABORATORY.

Additional Manufacturer Narrative

THE CUSTOMER¿S PRODUCTS HAVE BEEN REQUESTED FOR RETURN. THE PRODUCT HAS NOT BEEN RECEIVED AT THIS TIME. IF THE PRODUCT IS RETURNED IN THE FUTURE, A FOLLOW UP REPORT WILL BE SUBMITTED. THE RETENTION MATERIAL OF LOT 39008700 WAS MEASURED BY VISUAL READING WITH A NITRITE DILUTION SERIES AND NATIVE URINE. THE RETENTION MATERIAL FULFILLED THE REQUIREMENTS AND NO FALSE POSITIVE RESULTS OBSERVED.