FDA Adverse Event Malfunction Summary report: N

CLINICAL CHEMISTRY LACTATE DEHYDROGENASE

MDR report key: 6549498 · Received May 5, 2017

Report

Report Number
1628664-2017-00187
Event Type
Malfunction
Date Received
May 5, 2017
Report Date
May 5, 2017
Manufacturer
ABBOTT MANUFACTURING INC
Product Code
CFJ
UDI-DI
00380740004033
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
JM
Reporter Occupation
HEALTH PROFESSIONAL

Narratives

Additional Manufacturer Narrative · 1

A REVIEW OF COMPLAINT TRACKING AND TRENDING METRICS WAS PERFORMED AND IDENTIFIED NO RELATED ADVERSE OR NON-STATISTICAL TRENDS IN CONJUNCTION WITH THE COMPLAINT ISSUE CURRENTLY UNDER EVALUATION FOR THIS PRODUCT. THE ARCHITECT CLINICAL CHEMISTRY LACTATE DEHYDROGENASE REAGENT ASSAY INSERT AND THE ARCHITECT OPERATIONS MANUAL CONTAIN INFORMATION TO ADDRESS THE CURRENT CUSTOMER ISSUE. AS THE REAGENT LOT HAS EXPIRED, NO TESTING WAS PERFORMED. BASED ON THE INFORMATION OBTAINED THROUGH THIS EVALUATION AND THE INFORMATION FROM THE CUSTOMER SITE, THERE IS EVIDENCE TO REASONABLY SUGGEST THAT A PRODUCT MALFUNCTION OCCURRED. HOWEVER, NO SYSTEMIC ISSUE OR PRODUCT DEFICIENCY WAS IDENTIFIED. LOT/SERIAL NUMBER WAS NOT PROVIDED BY THE CUSTOMER; THEREFORE, ONLY A PARTIAL UDI IS KNOWN

Description of Event or Problem · 1

THE CUSTOMER REPORTS FALSELY ELEVATED CLIN CHEM LDH ASSAY RESULTS BEING GENERATED ON PATIENT SAMPLES TESTED ON THE ARCHITECT C8000 ANALYZER. CONTROLS TREND HIGH BUT STILL WITHIN SPECIFICATIONS. PROFICIENCY SAMPLES HAVE ALWAYS PASSED. THE CUSTOMER USES SERUM PATIENT SAMPLES AND ALWAYS RUNS SAMPLES IN A 1:3 DILUTION. THE CUSTOMER NOTES THAT WHEN THE SAMPLES ARE RETESTED THE FOLLOWING DAY, VALUES DROP SIGNIFICANTLY INTO THE NORMAL REFERENCE RANGE (1% TO 17% DECREASE). WHEN USING REAGENT LOT 47146UN15, THE CUSTOMER REPORTED THE FOLLOWING VALUES (DAY 1, DAY 2): SAMPLE 1: 228, 189 U/L; SAMPLE 2: 338, 334 U/L; SAMPLE 3: 250, 239 U/L; SAMPLE 4: 583, 569 U/L; SAMPLE 5: 227, 202 U/L; AND SAMPLE 6: 234, 218 U/L. THE CUSTOMER USES A NORMAL REFERENCE RANGE OF 125 - 220 U/L. SOME RESULTS HAVE BEEN QUESTIONED BY PHYSICIANS AS BEING HIGHER THAN EXPECTED. THERE IS NO ADVERSE IMPACT TO PATIENT MANAGEMENT REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
330908 CLINICAL CHEMISTRY LACTATE DEHYDROGENASE LACTATE DEHYDROGENASE CFJ ABBOTT MANUFACTURING INC 47146UN15 00380740004033

Patients

Seq Age Sex Outcome Treatment
1 ARCHITECT C8000 ANALYZER LN: 01G06-01| SN: (B)(4)