510(k) Report

510(k) · Cleared

Cleared

Lithium Regent Model TR66056 / Lithium Standard TR66901

K003583510(k) TraditionalCleared Jan 17, 200158-day reviewClass II21 CFR 862.3560

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

Trace America, Inc. · NDW Assay, Porphyrin, Spectrophotometry, Lithium

Cleared on Jan 17, 2001 after a 58-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 3 later devices descend from it.

Decided
Jan 17, 2001
Review
58 days
Class
Class II
Product code
NDW
Recalls
None
Predicates
0

3 later devices descend from it, 3 citing it directly.

Descendants, by year cleared 2007: 2 descendants cleared2003: 1 descendant cleared200020052010201520202025
  1. This deviceK003583 Lithium Regent Model TR66056 / Lithium Standard TR66901Trace America, Inc. · 2001
  2. Descendant · cites it directly · 0 of its ownK063705 Lithium Micro Volume Electrode, Theophylline, Ise Calibrators 1, 2…Thermo Electron OY · 2007
  3. Descendant · cites it directly · 0 of its ownK070987 Sentinel Lithium AssaySENTINEL CH. SpA · 2007 · Recalled
  4. Descendant · cites it directly · 0 of its ownK033360 Diazyme Lithium Enzymatic Assay KitGeneral Atomics · 2003

Most influential descendants

Showing 3 of 3 · See all
  • K063705Lithium Micro Volume Electrode, Theophylline, Ise Calibrators 1, 2 and 3, TDM…Thermo Electron OY · 2007 · cites it directly0descendants
  • K070987Sentinel Lithium AssaySENTINEL CH. SpA · 2007 · cites it directly0descendants
  • K033360Diazyme Lithium Enzymatic Assay KitGeneral Atomics · 2003 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K003583Lithium Regent Model TR66056 / Lithium Standard TR66901Trace America, Inc.2001—
+1K063705Lithium Micro Volume Electrode, Theophylline, Ise Calibrators 1, 2 and 3, TDM…Thermo Electron OY2007—
+1K070987Sentinel Lithium AssaySENTINEL CH. SpA20072
+1K033360Diazyme Lithium Enzymatic Assay KitGeneral Atomics2003—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200310
200720
FIG. 1 — Lineage of K003583, 2001–2007Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

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  • Recall history across each candidate’s familyin the report
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What was it cleared against?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (3)

3 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K063705Lithium Micro Volume Electrode, Theophylline, Ise Calibrators 1, 2 and 3, TDM…Thermo Electron OY20070
K070987Sentinel Lithium AssaySENTINEL CH. SpA20070
K033360Diazyme Lithium Enzymatic Assay KitGeneral Atomics20030

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, K063705 (Thermo Electron OY, 2007) has gone furthest, with 0 descendants of its own.

How does its category compare?

All NDW devices

NDW Assay, Porphyrin, Spectrophotometry, Lithium: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · NDW

1in 2025

2007: 22008: 12011: 12025: 1
2007high 2 (2007) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NDW

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

Recalls per year · NDW

3in 2022

2022: 3
2007high 3 (2022) · low 0 (2007)2026

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

Adverse event reports per year · NDW

2in 2025

2009: 12010: 12011: 32013: 22019: 12023: 12024: 22025: 2
2007high 3 (2011) · low 0 (2007)2025

MAUDE reports naming product code NDW, 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
20072—00
20081—00
20090—01
20100—01
20111—03
20120—00
20130—02
20140—00
20150—00
20160—00
20170—00
20180—00
20190—01
20200—00
20210—00
20220—30
20230—01
20240—02
20251—02
20260—0—
Cite this page

510(k) Report. “K003583: Lithium Regent Model TR66056 / Lithium Standard TR66901.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K003583

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