inforMED
MalfunctionCEC

ARCHITECT FREE T4

Received Jun 12, 2026 · Event occurred May 21, 2026

Report 3005094123-2026-00285 · MDR key 25487557

Device

Generic name

Radioimmunoassay, Free Thyroxine

Catalog number

07K65-29

Lot number

84185UD00

Product problems

  • High Test Results

Patient

60 YR · Male

  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

AN EVALUATION IS IN PROCESS. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE EVALUATION IS COMPLETE. SECTION A PATIENT INFORMATION: REFER TO SECTION B5 FOR COMPLETE PATIENT INFORMATION. ALL AVAILABLE PATIENT INFORMATION WAS INCLUDED. ADDITIONAL PATIENT DETAILS ARE NOT AVAILABLE.

Description of Event or Problem

THE CUSTOMER OBSERVED FALSELY ELEVATED ARCHITECT FREE T4 FOR A 60-YEAR-OLD MALE. THE FOLLOWING RESULTS WERE PROVIDED (REFERENCE RANGE 0.70NG/DL TO 1.48 NG/DL): (B)(6) 2026, SID (B)(6), INITIAL FREE T4 RESULT= >5 NG/DL (ADDITIONAL RESULT PROVIDED: TSH= 3.279 UIU/ML); (B)(6) 2026, REPEAT RESULTS= 0.92 NG/DL AND 0.98 NG/DL (ADDITIONAL RESULT PROVIDED: TSH= 3.370 UIU/ML); (B)(6) 2026, SID (B)(6) , ANOTHER SAMPLE COLLECTED WITH A RESULT= 1.17 NG/DL THERE WAS NO IMPACT TO PATIENT MANAGEMENT REPORTED.