510(k) Report

510(k) · Cleared

Recalled · 2009

Axsym CMV Igg Antibody Assay

K953943510(k) TraditionalCleared Sep 20, 1996396-day reviewClass II21 CFR 866.3175Recalls 2

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Abbott Laboratories · LFZ Enzyme Linked Immunoabsorbent Assay, Cytomegalovirus

Cleared on Sep 20, 1996 after a 396-day review. The FDA summary names its predicate without a number. It has been recalled 2 times.

Decided
Sep 20, 1996
Review
396 days
Class
Class II
Product code
LFZ
Recalls
2
Predicates
0

The FDA summary names its predicate without a number.

FIG. 1 — Lineage of K953943Source: FDA 510(k) database · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in LFZ? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new LFZ device

  1. #1 K220911 Elecsys CMV IgGscore 4.8 · 3 generations · no Class I recall
  2. #2 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*—Vidas CMV IgG Assay
Named without a submission number
—

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Jan 19, 2009Not classifiedZ-1047-2009Employee errorDefective caps: Customers have observed reagent bottles not opening appropriately, which could lead to a probe crash on the instrument.
Apr 23, 2007Not classifiedZ-1033-200OtherFailure of the AxSYM instrument to open (actuate) some reagent packs from certain lots. The defects can result in probe crashes if not detected prior to placement of the reagent kit on the AxYM instrument.

No ancestor or descendant has a Class I recall.

How does its category compare?

All LFZ devices

LFZ Enzyme Linked Immunoabsorbent Assay, Cytomegalovirus: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LFZ

2in 2022

2014: 22017: 22018: 12022: 2
2007high 2 (2014) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LFZ

Too few LFZ 510(k)s in any year since 2007 to give a median.

Recalls per year · LFZ

1in 2025

2007: 12009: 12022: 12025: 1
2007high 1 (2007) · low 0 (2008)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · LFZ

53in 2025

2007: 72008: 72009: 142010: 32011: 72013: 12014: 32015: 72016: 142017: 132018: 92019: 102020: 72021: 232022: 112023: 362024: 342025: 53
2007high 53 (2025) · low 0 (2012)2025

MAUDE reports naming product code LFZ, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—17
20080—07
20090—114
20100—03
20110—07
20120—00
20130—01
20142—03
20150—07
20160—014
20172—013
20181—09
20190—010
20200—07
20210—023
20222—111
20230—036
20240—034
20250—153
20260—0—

What is it indicated for?

The AXSYM CMV IgG assay is a Microparticle Enzyme Immunoassay (MEIA) for the semi-quantitative measurement of IgG antibodies to cytomegalovirus in serum and plasma (EDTA, heparin or sodium citrate) as an indication of past or current infection with cytomegalovirus. This product is not FDA cleared for use in testing blood or plasma donors.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K953943: Axsym CMV Igg Antibody Assay.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K953943

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026