510(k) Report

510(k) · Cleared

Recalled · 2008

Enzyme Ana Test System

K833148510(k) TraditionalCleared Nov 21, 198367-day reviewClass II21 CFR 866.5100Recalls 1

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

Immuno Concepts, Inc. · LJM Antinuclear Antibody (Enzyme-Labeled), Antigen, Controls

Cleared on Nov 21, 1983 after a 67-day review. FDA has not posted a summary or statement for it, so its predicates are not known. It has been recalled once.

Decided
Nov 21, 1983
Review
67 days
Class
Class II
Product code
LJM
Recalls
1
Predicates
0

FDA has not posted a summary or statement for it, so its predicates are not known.

FIG. 1 — Lineage of K833148Source: FDA 510(k) database · How lineage is built

Get the monthly Device Review Tracker

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

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

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

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
Get a 510(k) Report

What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

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
Dec 4, 2008Not classifiedZ-1044-2009Nonconforming Material/ComponentSamples can occasionally run out of the wells and cross contaminate adjacent wells.

No ancestor or descendant has a Class I recall.

How does its category compare?

All LJM devices

LJM Antinuclear Antibody (Enzyme-Labeled), Antigen, Controls: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LJM

1in 2018

2009: 12013: 12014: 32016: 12018: 1
2007high 3 (2014) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LJM

265in 2014

2014: 265 days median
2007high 265 (2014)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · LJM

2in 2008

2008: 2
2007high 2 (2008) · low 0 (2007)2026

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

Adverse event reports per year · LJM

No MAUDE report names LJM since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—20
20091—00
20100—00
20110—00
20120—00
20131—00
2014326500
20150—00
20161—00
20170—00
20181—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
Cite this page

510(k) Report. “K833148: Enzyme Ana Test System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K833148

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

Record history
  • FDA decision record loaded May 2, 2026
  • Page last updated Nov 3, 2026