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ONLINE TDM Acetaminophen Gen2 6769942190Recalls & reported problems

Roche Diagnostics GmbH · Class 2

Data updated Oct 18, 2026 from official FDA records · Editorial policy

Adverse event reports
2
Deaths reported
0
Injuries reported
0
Recalls naming it
0

Summary

The FDA's MAUDE database contains 2 adverse event reports that list this exact device (DI 04015630935031), received between Dec 21, 2022 and Dec 9, 2025 — classified as 2 malfunctions.

The most frequently reported specific device problem is “Incorrect Measurement” (1 report).

Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.

Reports received per month

Nov 2023: 0 reportsDec 2023: 0 reportsJan 2024: 0 reportsFeb 2024: 0 reportsMar 2024: 0 reportsApr 2024: 0 reportsMay 2024: 0 reportsJun 2024: 0 reportsJul 2024: 0 reportsAug 2024: 0 reportsSep 2024: 0 reportsOct 2024: 0 reportsNov 2024: 0 reportsDec 2024: 0 reportsJan 2025: 0 reportsFeb 2025: 0 reportsMar 2025: 0 reportsApr 2025: 0 reportsMay 2025: 0 reportsJun 2025: 0 reportsJul 2025: 0 reportsAug 2025: 0 reportsSep 2025: 0 reportsOct 2025: 0 reportsNov 2025: 0 reportsDec 2025: 1 reportsJan 2026: 0 reportsFeb 2026: 0 reportsMar 2026: 0 reportsApr 2026: 0 reportsMay 2026: 0 reportsJun 2026: 0 reportsJul 2026: 0 reportsAug 2026: 0 reportsSep 2026: 0 reportsOct 2026: 0 reports2024202520261
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Incorrect Measurement1
  • Incorrect, Inadequate or Imprecise Result or Readings1
  • Low Test Results1
  • Non Reproducible Results1

Patient problems

  • No Clinical Signs, Symptoms or Conditions2

Recent adverse event reports

The 2 most recent of 2 reports, in the reporter's own words as published by the FDA.

  • MalfunctionDec 9, 2025Low Test Results; Non Reproducible Results; Low Test Results; Non Reproducible Results

    WE RECEIVED AN ALLEGATION ABOUT DISCREPANT RESULTS FOR 1 PATIENT SAMPLE TESTED WITH ACETAMINOPHEN GEN.2 ASSAY ON A COBAS 6000 C 501 (UL) V MODULE. INITIAL RESULT: 196.0 G/ML. THE CUSTOMER NOTICED A QC SHIFT. AFTER THE CALIBRATION AND QC WERE PERFORMED AGAIN, THE SAMPLE WAS REPEATED. REPEAT RESULT: 278.2 G/ML. THE REPEAT RESULT WAS DEEMED TO BE CORRECT.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 23758941 ↗
  • MalfunctionDec 21, 2022Incorrect Measurement; Incorrect, Inadequate or Imprecise Result or Readings; Incorrect Measurement; Incorrect, Inadequate or Imprecise Result or Readings

    THE INITIAL REPORTER STATED THEY RECEIVED DISCREPANT RESULTS FOR ONE PATIENT SAMPLE TESTED WITH THE ACET2 (ONLINE TDM ACETAMINOPHEN GEN.2) ASSAY ON A COBAS 6000 C501 MODULE. THE SAMPLE INITIALLY RESULTED IN AN ACET2 VALUE OF 35.6 UMOL/L AND REPEATED AS 501.6 UMOL/L THE FOLLOWING DAY. THE REPEAT RESULT WAS DEEMED CORRECT. NO QUESTIONABLE RESULT WAS REPORTED OUTSIDE OF THE LABORATORY. THE ACET2 REAGENT LOT WAS 59848101 WITH AN EXPIRATION DATE OF 30-APR-2023.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 16023876 ↗

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Sources and updates

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