510(k) Report

510(k) · Cleared

Cleared

Elecsys LH Assay

K964694510(k) TraditionalCleared Jan 24, 199763-day reviewClass I21 CFR 862.1485

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

Boehringer Mannheim Corp. · CEP Radioimmunoassay, Luteinizing Hormone

Cleared on Jan 24, 1997 as substantially equivalent to K900779 (Boehringer Mannheim Corp., 1990) after a 63-day review. Its family tree reaches back 1 generation to 1990. 14 later devices descend from it.

Decided
Jan 24, 1997
Review
63 days
Class
Class I
Product code
CEP
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K900779 (1990). 14 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2003: 1 descendant cleared2004: 1 descendant cleared2005: 1 descendant cleared2010: 1 descendant cleared2012: 2 descendants cleared2017: 3 descendants cleared2013: 1 descendant cleared2018: 1 descendant cleared2026: 1 descendant cleared2021: 1 descendant cleared2023: 1 descendant clearedK900779 · Enzymun Test (R) LH · Boehringer Mannheim Corp. · 19901990200020102020
Descendants, by generation 1 generation forward: 1 descendant2 generations forward: 1 descendant3 generations forward: 2 descendants4 generations forward: 2 descendants5 generations forward: 2 descendants6 generations forward: 5 descendants7 generations forward: 1 descendant K900779 · Enzymun Test (R) LH · Boehringer Mannheim Corp. · 19900+5
  1. Root · 1 generation backK900779 Enzymun Test (R) LHBoehringer Mannheim Corp. · 1990
  2. This deviceK964694 Elecsys LH AssayBoehringer Mannheim Corp. · 1997
  3. Descendant · cites it directly · 13 of its ownK031299 Elecsys LH Calset IIRoche Diagnostics Corp. · 2003
  4. Descendant · 2 generations on · 12 of its ownK033873 Elecsys C-Peptide CalsetRoche Diagnostics Corp. · 2004
  5. Descendant · 3 generations on · 10 of its ownK103221 Elecys HGH Calset, Elecsys HGH Calcheck 5Roche Diagnostics · 2010
  6. Descendant · 4 generations on · 8 of its ownK113546 Elecsys Vitamin D Assay Elecsys Vitamin D Calset Elecsys…Roche Diagnostics · 2012
  7. Descendant · 5 generations on · 4 of its ownK162840 Elecsys Vitamin D total II, Vitamin D total II CalSet, PreciControl…Roche Diagnostics · 2017 · Recalled

Showing 5 of 14 descendants. See all descendants

Descendants cleared per year

2003: 12004: 12005: 12010: 12012: 22013: 12017: 32018: 12021: 12023: 12026: 1
2003high 3 (2017) · low 0 (2006)2026

Most influential descendants

Showing 5 of 14 · See all
  • K031299Elecsys LH Calset IIRoche Diagnostics Corp. · 2003 · cites it directly13descendants
  • K033873Elecsys C-Peptide CalsetRoche Diagnostics Corp. · 2004 · 2 generations on12descendants
  • K103221Elecys HGH Calset, Elecsys HGH Calcheck 5Roche Diagnostics · 2010 · 3 generations on10descendants
  • K113546Elecsys Vitamin D Assay Elecsys Vitamin D Calset Elecsys Precicontrol Varia 3 Elecsys…Roche Diagnostics · 2012 · 4 generations on8descendants
  • K162840Elecsys Vitamin D total II, Vitamin D total II CalSet, PreciControl Vitamin D total II…Roche Diagnostics · 2017 · 5 generations on4descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K900779Enzymun Test (R) LHBoehringer Mannheim Corp.1990—
0 (this device)K964694Elecsys LH AssayBoehringer Mannheim Corp.1997—
+1K031299Elecsys LH Calset IIRoche Diagnostics Corp.2003—
+2K033873Elecsys C-Peptide CalsetRoche Diagnostics Corp.2004—
+3K103221Elecys HGH Calset, Elecsys HGH Calcheck 5Roche Diagnostics2010—
+4K113546Elecsys Vitamin D Assay Elecsys Vitamin D Calset Elecsys Precicontrol Varia 3…Roche Diagnostics2012—
+5K162840Elecsys Vitamin D total II, Vitamin D total II CalSet, PreciControl Vitamin D…Roche Diagnostics20172

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200310
200410
200510
201010
201220
201310
201730
201810
202110
202310
202610
FIG. 1 — Lineage of K964694, 1990–2026Source: 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.

Planning a device in CEP? 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? (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
*K900779Enzymun Test (R) LH
Summary page 2
…quivalent to other products in commercial distribution intended for similar use. Most notably it is substantially equivalent to the currently marketed Enzymun® LH Assay (K900779). The following table compares the Elecsys® LH Assay with the predicate device, Enzymun® LH Assay. Specific data on the performa…
Boehringer Mannheim Corp.1990—

What descends from it? (14)

See all 14

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

NumberDeviceApplicantDecidedDescendants
K031299Elecsys LH Calset IIRoche Diagnostics Corp.200313

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?

  • Its one ancestor has no recall.
  • Of its descendants, K031299 (Roche Diagnostics Corp., 2003) has gone furthest, with 13 descendants of its own.

How does its category compare?

All CEP devices

CEP Radioimmunoassay, Luteinizing Hormone: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CEP

FDA has decided no CEP device since 2007.

Median 510(k) review, days · CEP

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

Recalls per year · CEP

1in 2022

2012: 12021: 12022: 1
2007high 1 (2012) · low 0 (2007)2026

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

Adverse event reports per year · CEP

1in 2023

2007: 52008: 22011: 32014: 172015: 12023: 1
2007high 17 (2014) · low 0 (2009)2025

MAUDE reports naming product code CEP, 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—05
20080—02
20090—00
20100—00
20110—03
20120—10
20130—00
20140—017
20150—01
20160—00
20170—00
20180—00
20190—00
20200—00
20210—10
20220—10
20230—01
20240—00
20250—00
20260—0—

What is it indicated for?

Immunoassay for the in vitro quantitative determination of human luteinizing hormone in human serum and plasma.

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. “K964694: Elecsys LH Assay.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K964694

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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