FDA Adverse Event Malfunction Summary report: N

REAGENT RED BLOOD CELLS BIOTESTCELL-I11

MDR report key: 2070548 · Received April 4, 2011

Report

Report Number
9610824-2011-00037
Event Type
Malfunction
Date Received
April 4, 2011
Date of Event
March 4, 2011
Report Date
April 4, 2011
Manufacturer
BIO-RAD MEDICAL DIAGNOSTICS GMBH
Product Code
KSZ
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
CA, US
Reporter Occupation
PHYSICIAN

Narratives

Additional Manufacturer Narrative · 1

(B)(4).

Description of Event or Problem · 1

THE CUSTOMER REPORTED A FALSE NEGATIVE REACTION OF A KNOWN COMBINED ANTI-E AND ANTI-C WITH BIOTESTCELL-I11. CUSTOMER SENT US THE PATIENT SAMPLE BUT NOT THE COMPLAINED LOT OF BIOTESTCELL-I11. THE SAMPLE WAS TESTED WITH THE RETENTION SAMPLE OF BIOTESTCELL-I11 IN THE INDIRECT ANTI-HUMAN GLOBULIN TECHNIQUE. THE SAMPLE REACTED POSITIVELY. FURTHERMORE THE SAMPLE WAS TESTED IN THE ENZYME METHOD AND REACTED STRONGLY POSITIVE. THE SAMPLE WAS ALSO TESTED IN THE LISS/COOMBS GELCARD OF DIAMED AND REACTED ALSO POSITIVE. THE PERFORMED TESTS CONFIRM THE WEAKNESS OF THE ANTI-C AND THE PREFERENCE OF THE ANTI-E FOR REACTING IN ENZYME TECHNIQUE. ADDITIONALLY THE AFFECTED LOT OF BIOTESTCELL-I11 WAS TESTED WITH A KNOWN ANTI-E AND ANTI-C. ALL POSITIVE AND NEGATIVE REACTIONS WERE CORRECT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 REAGENT RED BLOOD CELLS BIOTESTCELL-I11 BIOTESTCELL-I11 KSZ BIO-RAD MEDICAL DIAGNOSTICS GMBH 8105011

Patients

Seq Age Sex Outcome Treatment
1 COOMBSCELL E: LOT 8105011, EXP. 03/22/2011| MLB 2: LOT 7025121, EXP. 06/10/2012