510(k) Report

510(k) · Cleared

Cleared

Cytomegalovirus Direct Immunofluorescence Assay

K951821510(k) TraditionalCleared Jun 7, 1996414-day reviewClass II21 CFR 866.3175

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

Light Diagnostics · LIN Antisera, Conjugated Fluorescent, Cytomegalovirus

Cleared on Jun 7, 1996 after a 414-day review. The FDA summary names its predicate without a number. 1 later device descends from it.

Decided
Jun 7, 1996
Review
414 days
Class
Class II
Product code
LIN
Recalls
None
Predicates
0

1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2008: 1 descendant cleared1995200020052010201520202025
  1. This deviceK951821 Cytomegalovirus Direct Immunofluorescence AssayLight Diagnostics · 1996
  2. Descendant · cites it directly · 0 of its ownK081164 D3 Dfa Cytomegalovirus Immediate Early Antigen Identification KitDiagnostic Hybrids, Inc. · 2008

Most influential descendants

Showing 1 of 1 · See all
  • K081164D3 Dfa Cytomegalovirus Immediate Early Antigen Identification KitDiagnostic Hybrids, Inc. · 2008 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K951821Cytomegalovirus Direct Immunofluorescence AssayLight Diagnostics1996—
+1K081164D3 Dfa Cytomegalovirus Immediate Early Antigen Identification KitDiagnostic Hybrids, Inc.2008—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200810
FIG. 1 — Lineage of K951821, 1996–2008Source: FDA 510(k) summaries, read by 510(k) Report · 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.

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  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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What was it cleared against? (3)

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
*—Light Diagnostics Cytomegalovirus Immunofluorescence Assay
Named without a submission number
—
*—Cytomegalovirus Pre-CPE Culture Identification Test
Named without a submission number
—
*—Syva MicroTrak CMV Culture Identification Test For pre-CPE and CPE applications
Named without a submission number
—

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K081164D3 Dfa Cytomegalovirus Immediate Early Antigen Identification KitDiagnostic Hybrids, Inc.20080

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

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K081164 (Diagnostic Hybrids, Inc., 2008) has gone furthest, with 0 descendants of its own.

How does its category compare?

All LIN devices

LIN Antisera, Conjugated Fluorescent, Cytomegalovirus: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LIN

1in 2008

2008: 1
2007high 1 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LIN

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

Recalls per year · LIN

No recall names LIN since 2007.

Adverse event reports per year · LIN

No MAUDE report names LIN since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20081—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—

What is it indicated for?

The Light Diagnostics Cytomegalovirus Direct Immunofluorescence Assay is intended for use in centrifugation enhanced shell vials in the qualitative detection and identification of immediate early antigen- of human CMV.

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. “K951821: Cytomegalovirus Direct Immunofluorescence Assay.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K951821

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