510(k) Report

510(k) · Cleared

Recalled · Class I · 2018

Leadcare Blood Lead Testing System

K971640510(k) TraditionalCleared Sep 9, 1997130-day reviewClass II21 CFR 862.3550Recalls 3 (1 Class I)

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

Esa, Inc. · DOF Lead, Atomic Absorption

Cleared on Sep 9, 1997 after a 130-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 4 of the 4 devices in its family, counting itself, have a Class I recall. 3 later devices descend from it. It has been recalled 3 times, including a Class I recall.

Decided
Sep 9, 1997
Review
130 days
Class
Class II
Product code
DOF
Recalls
3 (1 Class I)
Predicates
0

3 later devices descend from it, 1 citing it directly. 4 of the 4 devices in this family, counting this one, have a Class I recall.

Descendants, by year cleared 2005: 1 descendant cleared, 1 with a Class I recall12013: 1 descendant cleared, 1 with a Class I recall12015: 1 descendant cleared, 1 with a Class I recall11995200020052010201520202025
  1. This deviceK971640 Leadcare Blood Lead Testing SystemEsa, Inc. · 1997
  2. Descendant · cites it directly · 2 of its ownK052549 Leadcare II Blood Lead Testing SystemEsa Biosciences, Inc. · 2005 · Recalled (Class I)
  3. Descendant · 2 generations on · 1 of its ownK123563 Leadcare (R) Ultra (TM) Blood Lead Testing SystemMagellan Diagnostics · 2013 · Recalled (Class I)
  4. Descendant · 3 generations on · 0 of its ownK142705 LeadCare Plus Blood Lead Testing SystemMagellan Diagnostics · 2015 · Recalled (Class I)

Class I recalls in this family

Most influential descendants

Showing 3 of 3 · See all
  • K052549Leadcare II Blood Lead Testing SystemEsa Biosciences, Inc. · 2005 · cites it directly2descendants
  • K123563Leadcare (R) Ultra (TM) Blood Lead Testing SystemMagellan Diagnostics · 2013 · 2 generations on1descendant
  • K142705LeadCare Plus Blood Lead Testing SystemMagellan Diagnostics · 2015 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K971640Leadcare Blood Lead Testing SystemEsa, Inc.1997—
+1K052549Leadcare II Blood Lead Testing SystemEsa Biosciences, Inc.2005Class I
+2K123563Leadcare (R) Ultra (TM) Blood Lead Testing SystemMagellan Diagnostics2013Class I
+3K142705LeadCare Plus Blood Lead Testing SystemMagellan Diagnostics2015Class I

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200511
201311
201511
FIG. 1 — Lineage of K971640, 1997–2015Source: 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 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

4 devices in this family have a Class I recall. 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? (3)

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

NumberDeviceApplicantDecidedDescendants
K052549Leadcare II Blood Lead Testing System Class IEsa Biosciences, Inc.20052

Has anything in its family been recalled? (4 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Aug 8, 2018Class IIZ-0285-2019Process controlDefect with the calibration button for lot 1808M. Level 1 and Level 2 Quality Control (QC) values will generate results of HIGH (>65 g/dL). Results for patient testing with this lot will be displayed as HIGH.
May 23, 2017Class IZ-2225-2017Device DesignUnderestimates the lead concentration of venous blood samples when the sample is analyzed with the LeadCare systems
May 19, 2005Not classifiedZ-0914-05OtherLead test results may be reported lower than the actual value

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K052549Leadcare II Blood Lead Testing SystemEsa Biosciences, Inc. · 2005 · Cites it directly · ◆ in the 2005 descendants bar of FIG. 12 Class I recalls
  • K123563Leadcare (R) Ultra (TM) Blood Lead Testing SystemMagellan Diagnostics · 2013 · 2 generations on · ◆ in the 2013 descendants bar of FIG. 12 Class I recalls
  • K142705LeadCare Plus Blood Lead Testing SystemMagellan Diagnostics · 2015 · 3 generations on · ◆ in the 2015 descendants bar of FIG. 12 Class I recalls

What does this lineage say?

  • Of its descendants, K052549 (Esa Biosciences, Inc., 2005) has gone furthest, with 2 descendants of its own.

How does its category compare?

All DOF devices

DOF Lead, Atomic Absorption: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DOF

1in 2015

2013: 12015: 1
2007high 1 (2013) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DOF

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

Recalls per year · DOF

4so far in 2026, the most since 2007

2007: 22018: 12023: 12024: 12026 (partial year): 4
2007high 4 (2026) · low 0 (2008)2026

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

Adverse event reports per year · DOF

55in 2025

2008: 12010: 12013: 12015: 12017: 392018: 402019: 632020: 22021: 982022: 12025: 55
2007high 98 (2021) · low 0 (2007)2025

MAUDE reports naming product code DOF, 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—20
20080—01
20090—00
20100—01
20110—00
20120—00
20131—01
20140—00
20151—01
20160—00
20170—039
20180—140
20190—063
20200—02
20210—098
20220—01
20230—10
20240—10
20250—055
20260—4—

What is it indicated for?

The LEADCARE™ Blood Lead Testing System is an instrumented assay to be used in the quantitation of lead in human whole blood. The LEADCARE System is suitable for use in a physcian’s office laboratory environment (POL).

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. “K971640: Leadcare Blood Lead Testing System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K971640

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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