inforMED
MalfunctionLFZ

ALINITY I CMV IGG REAGENT KIT

Received May 4, 2023 · Event occurred Dec 19, 2022

Report 3008344661-2023-00089 · MDR key 16872071

Device

Generic name

Enzyme Linked Immunoabsorbent Assay, Cytomegalovirus

Catalog number

07P42-22

Lot number

45608FN00

Product problems

  • False Positive Result
  • False Positive Result

Patient

Unknown

  • No Clinical Signs, Symptoms or Conditions
  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

THE COMPLAINT INVESTIGATION FOR FALSE REACTIVE ALINITY I CMV IGG RESULTS INCLUDED A REVIEW OF DATA AND INFORMATION PROVIDED BY THE CUSTOMER, SEARCH FOR SIMILAR COMPLAINTS, TICKET TRENDING REVIEW, LABELING REVIEW, DEVICE HISTORY RECORD REVIEW, AND IN-HOUSE SENSITIVITY TESTING. TRENDING REVIEW DID NOT IDENTIFY ANY RELATED TRENDS FOR THE ISSUE FOR THE PRODUCT. DEVICE HISTORY RECORD REVIEW DID NOT IDENTIFY ANY NONCONFORMANCES, POTENTIAL NONCONFORMANCES, OR DEVIATIONS WITH LOT 45608FN00 AND THE COMPLAINT ISSUE. IN-HOUSE SPECIFICITY TESTING USING A RETAINED REAGENT KIT OF LOT 45608FN00 WAS COMPLETED. ALL SPECIFICATIONS WERE MET INDICATING THAT THE LOT IS PERFORMING EXPECTED. LABELING WAS REVIEWED AND SUFFICIENTLY ADDRESSES THE CUSTOMER'S ISSUE. BASED ON OUR INVESTIGATION, NO SYSTEMIC ISSUE OR DEFICIENCY WITH THE ALINITY I CMV IGG REAGENT FOR LOT 45608FN00 WAS IDENTIFIED.

Description of Event or Problem

THE CUSTOMER OBSERVED A FALSE REACTIVE ALINITY I CMV IGG RESULT FOR A PREGNANT PATIENT. THE FOLLOWING DATA WAS PROVIDED: (B)(6) 2022 SID (B)(6) INITIAL RESULT = 0.2 AU/ML, CMV IGM RESULT = 0.06. (B)(6) 2023 SID (B)(6) INITIAL RESULT = 68.9 AU/ML, CMV IGM RESULT = 0.07. (B)(6) 2023 SID (B)(6) INITIAL RESULT = 0.1 AU/ML, CMV IGM RESULT = 0.06 . THE CUSTOMER IS QUESTIONING THE INITIAL RESULT FROM SID (B)(6). NO IMPACT TO PATIENT MANAGEMENT WAS REPORTED.

Description of Event or Problem

THE CUSTOMER OBSERVED A FALSE REACTIVE ALINITY I CMV IGG RESULT FOR A PREGNANT PATIENT. THE FOLLOWING DATA WAS PROVIDED: (B)(6)2022 SID (B)(6) INITIAL RESULT = 0.2 AU/ML, CMV IGM RESULT = 0.06 . (B)(6) 2023 SID (B)(6) INITIAL RESULT = 68.9 AU/ML, CMV IGM RESULT = 0.07. (B)(6) 2023 SID (B)(6) INITIAL RESULT = 0.1 AU/ML, CMV IGM RESULT = 0.06 . 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. THIS REPORT IS BEING FILED ON AN INTERNATIONAL PRODUCT, LIST NUMBER (B)(4) HAS A SIMILAR PRODUCT DISTRIBUTED IN THE US, LIST NUMBER (B)(4).