The values of the Internal Standard (IS) concentrations are incorrectly derived when the user builds a customized test, then set the IS column to hidden and left the column empty. This may lead to the user making incorrect conclusions using incorrect results.
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📍Recalling firmAB SCIEX71 Four Valley Dr · Concord, Canada
✎ GovInfoNow plain-language explainer
AB SCIEX is recalling Cliquid MD version 3.4 software used with Analyst MD software on certain LC-MS/MS systems. This software error can cause incorrect internal standard calculations, leading to unreliable test results if users build customized tests and hide the internal standard column. Read more at govinfonow.com/recall/61719-ab-sciex-cliquid-md-v3-4-software-recall-incorrect-internal.
“AB SCIEX Cliquid MD v3.4 Software Recall: Incorrect Internal Standard Results.” GovInfoNow, updated August 19, 2026. https://govinfonow.com/recall/61719-ab-sciex-cliquid-md-v3-4-software-recall-incorrect-internal. Based on FDA recall #Z-0175-2022 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-0175-2022%22&limit=1).
The FDA announced on Oct. 4, 2021, that AB SCIEX is recalling Cliquid MD version 3.4 software due to a hazard involving incorrect internal standard concentration values. The agency stated the recall was voluntarily initiated by the firm.
How to tell if you have it
Brand: AB SCIEX
Product: Cliquid MD version 3.4 software used with Analyst MD software on SCIEX Citrine & 4500MD series liquid chromatography-tandem mass spectrometry (LC-MS/MS) systems
Model No.: 5088288
Software version: 3.4
The hazard
According to the FDA, the values of the Internal Standard (IS) concentrations are incorrectly derived when a user builds a customized test, sets the IS column to hidden, and leaves the column empty. This error may lead users to make incorrect conclusions based on incorrect results.
Context
GovInfoNow's records show other recent recalls of similar products include Roche cobas pro integrated solutions (2026-01-20), Siemens Dimension Creatinine Flex Reagent Cartridge (2026-03-18), and DxC 500i Clinical Analyzer Modules (2026-09-02).
How to tell if you have this one
Check if you have Cliquid MD version 3.4 software installed with Analyst MD software on SCIEX Citrine or 4500MD series LC-MS/MS systems. Model number 5088288 is associated with this software version.
Brand
AB SCIEX
Category
Medical device
Based on the official FDA remedy
What to do — step by step
Update Software
Install the latest Cliquid MD software version to correct the internal standard calculation error.
Where it went and when
Where it was distributed
Distributed nationwide and abroad; the notice names 14 states.
Named in the notice
Covered by “nationwide”
Not listed
FDA distribution: “Worldwide distribution - US Nationwide distribution in the states of District of Columbia, Florida, Illinois, Louisiana, Maryland, Michigan, Missouri, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Tennessee, Utah, Wisconsin and…” States read from FDA’s own wording; “not listed” means the notice does not name it.
Named in the notice: District of Columbia, Florida, Illinois, Louisiana, Maryland, Michigan, Missouri, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Tennessee, Utah, Wisconsin.
Recall timeline
FDA terminated this recall 2.3 years after the firm started it.
1Firm started the recall
2FDA classified it Class II
3Published in FDA’s Enforcement Report
4FDA terminated the recall
Dates from the agency record only; steps without a date are left out.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
Official source: FDA Recall #Z-0175-2022 (October 4, 2021) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-0175-2022 to see it in context.
Plain-language summary written by qwen3:4b on August 19, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.