inforMED
MalfunctionNBC

ELECSYS PROBNP II

Received Mar 30, 2026 · Event occurred Mar 5, 2026

Report 1823260-2026-01136 · MDR key 24716631

Device

Generic name

Natriuretic Peptide Test

Manufacturer

Roche Diagnostics

Catalog number

09315284214

Lot number

878498

Product problems

  • Low Test Results
  • Non Reproducible Results

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

THE PROBNP REAGENT EXPIRATION DATE WAS NOT PROVIDED. THE COBAS PURE E 402 ANALYTICAL UNIT SERIAL NUMBER WAS (B)(6). THE INVESTIGATION IS ONGOING.

Description of Event or Problem

WE RECEIVED AN ALLEGATION ABOUT DISCREPANT RESULTS FOR 1 PATIENT SAMPLE TESTED WITH ELECSYS PROBNP II ASSAY ON A COBAS PURE E 402 ANALYTICAL UNIT. INITIAL RESULT: 21.9 PG/ML. THE INITIAL RESULT DID NOT CORRELATE WITH THE PATIENT'S HISTORY, PROMPTING THE REPEAT OF THE SAMPLE. NO QUESTIONABLE RESULT WAS REPORTED TO THE PATIENT. 1ST REPEAT RESULT: NO VALUE WAS OBTAINED, AND A "SAMPLE SHORT" ALARM WAS GENERATED. 2ND REPEAT RESULT: 1010 PG/ML. 3RD REPEAT RESULT: 1030 PG/ML.