inforMED
InjuryLSL

APTIMA COMBO 2 ASSAY

Received Jun 20, 2025 · Event occurred Jun 2, 2025

Report 2024800-2025-00035 · MDR key 22299397

Device

Generic name

Dna-reagents, Neisseria

Manufacturer

Hologic, Inc.

Catalog number

302661

Lot number

917189

Product problems

  • Off-Label Use
  • Off-Label Use

Patient

NA · Unknown

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

Narrative

Description of Event or Problem

ON (B)(6) 2025, A CUSTOMER REPORTED TO HOLOGIC THAT THEY RECEIVED DISCREPANT RESULTS USING APTIMA COMBO 2 ASSAY (AC2) MASTER LOT 917189 ON THEIR PANTHER INSTRUMENTS. SAMPLE ID (B)(6) INITIALLY RESULTED DUAL POSITIVE (CT POSITIVE, GC POSITIVE) ON PANTHER PLUS INSTRUMENT (SERIAL NUMBER (B)(6) UNDER WORKLIST (B)(6). THE SAME SPECIMEN WAS RETESTED AND RESULTED DUAL NEGATIVE (CT NEGATIVE, GC NEGATIVE) ON WORKLIST (B)(6) ON PANTHER INSTRUMENT (SERIAL NUMBER (B)(6). THE SPECIMEN WAS RETESTED AGAIN ON A DIFFERENT PANTHER INSTRUMENT (SERIAL NUMBER (B)(6) AND RESULTED DUAL NEGATIVE (CT NEGATIVE, GC NEGATIVE) ON WL (B)(6). CUSTOMER NOTED THAT PER LAB POLICY, THE DUAL POSITIVE RESULT WAS NOT REPORTED OUT, AND THE DUAL NEGATIVE RESULT WILL BE REPORTED OUT. HOLOGIC HAS NOT BEEN INFORMED OF ANY PATIENT TREATMENT OR ANY ADVERSE PATIENT OUTCOMES RELATED TO THIS EVENT.

Additional Manufacturer Narrative

HOLOGIC TECHNICAL SUPPORT (TS) REVIEWED ALL OF WORKLISTS AND NOTED NO HARDWARE OR REAGENT PREPARATION ISSUES. SUSPECTED POTENTIAL SAMPLE MISHANDLING OR LOW TARGET SAMPLES. HOLOGIC PERFORMED A RISK ASSESSMENT AND NOTED NO PRODUCT IMPACT. HOLOGIC HAS NOT BEEN INFORMED OF ANY ADVERSE PATIENT OUTCOMES RELATED TO THIS ISSUE.