inforMED
MalfunctionSEI

ATELLICA IM HBC TOTAL 2 (HBCT2)

Received Mar 23, 2026 · Event occurred Mar 5, 2026

Report 1219913-2026-00060 · MDR key 24670095

Device

Generic name

Qualitative And Quantitative Hepatitis B Virus Antibody Assays

Model number

N/A

Catalog number

11200739

Lot number

06403017

Product problems

  • False Negative Result

Patient

78 YR · Male

  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

THE CUSTOMER OBTAINED OF A NON-REACTIVE (NEGATIVE) PATIENT RESULT USING ATELLICA IM HBC TOTAL 2 (HBCT2) LOT 017. THE RESULT WAS NOT REPORTED AS THE PATIENT WAS KNOWN TO HAVE HEPATITIS B. THE SAMPLE WAS RETESTED USING AN ALTERNATE METHOD AND THE RESULT WAS REACTIVE (POSITIVE) AS EXPECTED. THERE ARE NO ALLEGATIONS OF PATIENT OR USER INTERVENTION OR ADVERSE HEALTH CONSEQUENCES DUE TO THE EVENT. THE LIMITATIONS SECTION OF THE INSTRUCTIONS FOR USE (IFU) STATES, THE FOLLOWING: "RESULTS OF THIS ASSAY SHOULD ALWAYS BE INTERPRETED IN CONJUNCTION WITH THE PATIENT¿S MEDICAL HISTORY, CLINICAL PRESENTATION, AND OTHER FINDINGS." FINDINGS." "PATIENT SAMPLES MAY CONTAIN HETEROPHILIC ANTIBODIES THAT COULD REACT IN IMMUNOASSAYS TO GIVE FALSELY ELEVATED OR DEPRESSED RESULTS. THIS ASSAY IS DESIGNED TO MINIMIZE INTERFERENCE FROM HETEROPHILIC ANTIBODIES. ADDITIONAL INFORMATION MAY BE REQUIRED FOR DIAGNOSIS." SIEMENS IS INVESTIGATING.

Description of Event or Problem

THE CUSTOMER OBTAINED OF A NON-REACTIVE (NEGATIVE) PATIENT RESULT USING ATELLICA IM HBC TOTAL 2 (HBCT2) LOT 017. THE RESULT WAS NOT REPORTED AS THE PATIENT WAS KNOWN TO HAVE HEPATITIS B. THE SAMPLE WAS RETESTED USING AN ALTERNATE METHOD AND THE RESULT WAS REACTIVE (POSITIVE) AS EXPECTED. THERE ARE NO ALLEGATIONS OF PATIENT OR USER INTERVENTION OR ADVERSE HEALTH CONSEQUENCES DUE TO THE EVENT.