ALINITY I FREE T4 REAGENT KIT

Additional Manufacturer Narrative

THE COMPLAINT INVESTIGATION INCLUDED A REVIEW OF DATA AND INFORMATION PROVIDED BY THE CUSTOMER, A SEARCH FOR SIMILAR COMPLAINTS, A TICKET TRENDING REVIEW, A DEVICE HISTORY RECORD REVIEW, A LABELING REVIEW, AND IN-HOUSE TESTING OF RETAINED REAGENT KIT. THE DATA AND INFORMATION PROVIDED BY THE CUSTOMER WERE REVIEWED AND SUPPORT THE COMPLAINT ISSUE. A SEARCH FOR SIMILAR COMPLAINTS IDENTIFIED AN INCREASE IN COMPLAINT ACTIVITY FOR LOT: 71236UD00. ADDITIONALLY, A REVIEW OF TRACKING AND TRENDING DATA FOR THE ALINITY I FREE T4 ASSAY IDENTIFIED AN INCREASE IN COMPLAINTS. HOWEVER, IN-HOUSE PERFORMANCE TESTING WAS PERFORMED UTILIZING RETAINED REAGENT KIT OF THE COMPLAINT LOT. ALL TESTING PASSED INDICATING THE REAGENT LOT IS PERFORMING AS EXPECTED. A REVIEW OF THE DEVICE HISTORY RECORD DID NOT IDENTIFY ANY NON-CONFORMANCE'S OR DEVIATIONS WITH LOT NUMBER: 71236UD00 AND THE COMPLAINT ISSUE. A REVIEW OF LABELING WAS PERFORMED AND FOUND TO SUFFICIENTLY ADDRESS THE CUSTOMER'S ISSUE. BASED ON THIS INVESTIGATION, NO SYSTEMIC ISSUE OR DEFICIENCY WAS IDENTIFIED WITH THE ALINITY I FREE T4 REAGENT, LOT NUMBER: 71236UD00.

Description of Event or Problem

THE CUSTOMER REPORTED A FALSELY ELEVATED ALINITY I FREE T4 RESULT FOR ONE SAMPLE. THE FOLLOWING DATA WAS PROVIDED: ON (B)(6) 2025, SID: (B)(6): INITIAL RESULT = 33.41 PMOL/L, REPEAT = 13.39 PMOL/L. NO IMPACT TO PATIENT MANAGEMENT WAS REPORTED.

Additional Manufacturer Narrative

AN EVALUATION IS IN PROCESS. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE EVALUATION IS COMPLETE. ALL AVAILABLE PATIENT INFORMATION WAS INCLUDED. ADDITIONAL PATIENT DETAILS ARE NOT AVAILABLE.

Description of Event or Problem

THE CUSTOMER REPORTED A FALSELY ELEVATED ALINITY I FREE T4 RESULT FOR ONE SAMPLE. THE FOLLOWING DATA WAS PROVIDED: ON (B)(6) 2025, SID (B)(6): INITIAL RESULT = 33.41 PMOL/L, REPEAT = 13.39 PMOL/L NO IMPACT TO PATIENT MANAGEMENT WAS REPORTED.