inforMED
MalfunctionCIT

ASPARTATE AMINO TRANSFERASE

Received May 2, 2025 · Event occurred Apr 7, 2025

Report 1823260-2025-01362 · MDR key 21949322

Device

Generic name

Nadh Oxidation/nad Reduction, Ast/sgot

Manufacturer

Roche Diagnostics

Catalog number

08104719190

Lot number

80942601

Product problems

  • Low Test Results
  • Low Test Results

Patient

NA · Unknown

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

Narrative

Additional Manufacturer Narrative

DUE TO THE LACK OF INFORMATION PROVIDED, THE INVESTIGATION WAS UNABLE TO IDENTIFY A SPECIFIC CAUSE FOR THE EVENT. THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM.

Additional Manufacturer Narrative

THE ANALYZER'S SERIAL NUMBER IS (B)(6). THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE ALTP GEN.2 (ALT) AND ASPARTATE AMINO TRANSFERASE (AST) RESULTS FOR 1 PATIENT SAMPLE ON A COBAS C 303 ANALYTICAL UNIT. THE INITIAL ALT AND AST RESULTS PRODUCED DATA FLAGS. IT WAS REPORTED THAT THE REPEATED RESULTS CONFIRMED THE ISSUE WAS "SAMPLE SPECIFIC". AN INTERFERENCE BETWEEN THE ASSAYS AND THE PATIENT SAMPLE WAS SUSPECTED. THE NUMERICAL RESULTS WERE NOT PROVIDED. THIS MEDWATCH WILL APPLY TO THE ASPARTATE AMINO TRANSFERASE ASSAY. PLEASE REFER TO THE MEDWATCH WITH A1. PATIENT IDENTIFIER (B)(6) FOR INFORMATION RELATED TO THE ALTP GEN.2 ASSAY.