INRATIO
Report
- Report Number
- 2027969-2010-00123
- Event Type
- Malfunction
- Date Received
- February 1, 2010
- Date of Event
- January 15, 2010
- Report Date
- February 1, 2010
- Manufacturer
- BIOSITE INCORPORATED
- Product Code
- JPA
- PMA / PMN Number
- 021923
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- WA, US
- Reporter Occupation
- NOT APPLICABLE
Narratives
DISCREPANT RESULTS (ACCURACY) COMPARISON OF INRATIO TEST WITH LAB RESULTS PROVIDED BY END-USER AT TIME COMPLAINT WAS FILED: DATE: NONE, INRATIO: 3.5 INR, REFERENCE: 2.4 INR, MEAN 2.95, CONFIDENCE LIMITS: 1.8-4.2. DATE: NONE, INRATIO: 3.9 INR, REFERENCE: 2.8 INR, MEAN: 3.35, CONFIDENCE LIMITS: 1.9-4.6. TESTS WERE PERFORMED WITHIN MINUTES OF EACH OTHER THE MEAN OF THE INRATIO METER AND COMPARATIVE SYSTEM 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. DATA ANALYSIS OF MEAN CALCULATION FROM COMPARISON TEST DATA PROVIDED BY END-USER REVEALED BOTH INRATIO AND LAB VALUES ARE WITHIN THE CONFIDENCE LIMITS FOR INR TESTING. THERE IS NO SUFFICIENT INFO TO DETERMINE THE ROOT CAUSE OF CUSTOMER'S TEST RESULT DISCREPANCY. AS OF 01/28/2010, 3 DISCREPANT RESULTS COMPLAINT WAS REPORTED FOR LOT #221726 YIELDING A COMPLAINT RATE OF 0.001%. DUE TO THIS LOW OCCURRENCE RATE, BELOW THE ACTION THRESHOLDS MONITORED BY QA FOR CORRECTIVE ACTION (>0.07%) NO FURTHER ACTION IS REQUIRED AT THIS TIME. ON GOING TRENDING SHALL BE PERFORMED TO DETERMINE IF FURTHER ACTION IS WARRANTED. NO CORRECTIVE ACTION IS REQUIRED AT THIS TIME.
CALLER ALLEGED DISCREPANT RESULTS COMPARED WITH THE LAB. RESULTS AS FOLLOWS: DATE: N/G, INRATIO: 3.5, LAB: 2.4. DATE: (B) (6) 2010, INRATIO: 3.9, LAB: 2.8.
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 1 | INRATIO | PROTHROMBIN TIME TEST | JPA | BIOSITE INCORPORATED | 100139 | 221726 |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 |