FDA Adverse Event Malfunction Summary report: N

INRATIO

MDR report key: 1564917 · Received November 14, 2009

Report

Report Number
2027969-2009-01163
Event Type
Malfunction
Date Received
November 14, 2009
Date of Event
November 19, 2009
Report Date
December 14, 2009
Manufacturer
BIOSITE INCORPORATED
Product Code
JPA
PMA / PMN Number
K021923
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
KY, US
Reporter Occupation
NOT APPLICABLE

Narratives

Additional Manufacturer Narrative · 1

DISCREPANT RESULTS (ACCURACY) COMPARISON OF INRATIO TEST WITH LAB RESULTS PROVIDED BY END-USER AT TIME COMPLAINT WAS FILED: DATE: (B) (6) 2009. INRATIO METER = 1.8. REFERENCE = 2.75. MEAN = 2.28. CONFIDENCE LIMITS = 1.4-3.1. THE MEAN OF THE INRATIO METER AND COMPARATIVE SYS INR WERE CALCULATED. BOTH INRATIO AND REFERENCE VALUES ARE WITHIN THE CONFIDENCE LIMITS FOR INR TESTING. THE RESULTS ARE NOT CONSIDERED DISCREPANT WITHIN THE CONTEXT OF THE DOCUMENTED VARIABILITY FOR INR TESTING. CUSTOMER RESULTS ANALYZED AND ACCURACY CONFIDENCE LIMITS WERE MET. PRODUCT DEFICIENCY NOT ESTABLISHED. FURTHER ACTION NOT REQUESTED. AS OF (B) (6) 2009, 1 DISCREPANT RESULT COMPLAINT WAS REPORTED FOR LOT# 221726. TRENDING AND TRACKING WILL BE DONE IN REVIEW. NO CORRECTIVE ACTION IS REQUIRED AT THIS TIME.

Description of Event or Problem · 1

CALLER ALLEGED DISCREPANT RESULTS COMPARED WITH THE LAB. RESULTS AS FOLLOWS: INRATIO: 1.8, LAB: 2.75.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 INRATIO PROTHROMBIN TIME TEST JPA BIOSITE INCORPORATED 100071 221726

Patients

Seq Age Sex Outcome Treatment
1