510(k) Report

510(k) · Cleared

Cleared

Freelite Human Kappa and Lambda Free Kits for Use on the Olympus AU Analyzer

K033811510(k) TraditionalCleared Jan 30, 200452-day reviewClass II21 CFR 866.5550

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

The Binding Site, Ltd. · DEH Lambda, Antigen, Antiserum, Control

Cleared on Jan 30, 2004 after a 52-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
Jan 30, 2004
Review
52 days
Class
Class II
Product code
DEH
Recalls
None
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K033811Source: 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 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in DEH? 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
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What was it cleared against?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it?

No later submission names this one as a predicate yet.

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.

How does its category compare?

All DEH devices

DEH Lambda, Antigen, Antiserum, Control: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DEH

1in 2018

2009: 12014: 12018: 1
2007high 1 (2009) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DEH

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

Recalls per year · DEH

1in 2021

2012: 12016: 22021: 1
2007high 2 (2016) · low 0 (2007)2026

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

Adverse event reports per year · DEH

11in 2025

2008: 12018: 32019: 82020: 32021: 122022: 72023: 42024: 262025: 11
2007high 26 (2024) · low 0 (2007)2025

MAUDE reports naming product code DEH, 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—00
20080—01
20091—00
20100—00
20110—00
20120—10
20130—00
20141—00
20150—00
20160—20
20170—00
20181—03
20190—08
20200—03
20210—112
20220—07
20230—04
20240—026
20250—011
20260—0—

What is it indicated for?

This kit is intended for the quantitation of kappa free light chains in serum and urine on the Olympus AU series analysers. Measurement of the various amounts of the different types of light chains aids in the diagnosis and monitoring of multiple myeloma, lymphocytic neoplasms, Waldenstrom's macroglobulinemia, amyloidosis, light chain deposition disease and connective tissue diseases such as systemic lupus erythematosus. This kit is intended for the…

Read the full statement (122 words)

This kit is intended for the quantitation of kappa free light chains in serum and urine on the Olympus AU series analysers. Measurement of the various amounts of the different types of light chains aids in the diagnosis and monitoring of multiple myeloma, lymphocytic neoplasms, Waldenstrom's macroglobulinemia, amyloidosis, light chain deposition disease and connective tissue diseases such as systemic lupus erythematosus.

This kit is intended for the quantitation of kappa free light chains in serum and urine on the Olympus AU series analysers. Measurement of the various amounts of the different types of light chains aids in the diagnosis and monitoring of multiple myeloma, lymphocytic neoplasms, Waldenstrom's macroglobulinemia, amyloidosis, light chain deposition disease and connective tissue diseases such as systemic lupus erythematosus.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K033811: Freelite Human Kappa and Lambda Free Kits for Use on the Olympus AU Analyzer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K033811

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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