inforMED
MalfunctionNBC

ELECSYS PROBNP II

Received Apr 27, 2026 · Event occurred Mar 26, 2026

Report 1823260-2026-01610 · MDR key 24999745

Device

Generic name

Natriuretic Peptide Test

Manufacturer

Roche Diagnostics

Catalog number

09315284214

Lot number

90695102

Product problems

  • Low Test Results
  • Non Reproducible Results

Patient

86 YR · Male

  • No Clinical Signs, Symptoms or Conditions

Narrative

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE ELECSYS PROBNP II RESULTS FROM THE COBAS E 801 ANALYTICAL UNIT. PATIENT 1: THE INITIAL RESULT WAS 23.7 PG/ML THE REPEAT RESULTS WERE 3770 PG/ML, 4366 PG/ML, AND 3822 PG/ML. THE RESULT OF 3770 PG/ML WAS REPORTED OUTSIDE OF THE LABORATORY. PATIENT 2 (B)(6) 2026): THE INITIAL RESULT WAS 7.29 PG/ML. THE REPEAT RESULTS WERE 77.6 NG/ML AND 76.1 NG/ML. THE RESULT OF 77.6 NG/ML WAS REPORTED OUTSIDE OF THE LABORATORY.

Additional Manufacturer Narrative

THE COBAS E 801 ANALYTICAL UNIT SERIAL NUMBER WAS (B)(6). THE INVESTIGAITON IS ONGOING.