510(k) Report

510(k) · Cleared

Recalled · 2005

Trepchek Treponemal Antibody Eia

K001552510(k) TraditionalCleared Oct 19, 2000154-day reviewClass II21 CFR 866.3830Recalls 3

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

Phoenix Biotech Corp. · LIP Enzyme Linked Immunoabsorption Assay, Treponema Pallidum

Cleared on Oct 19, 2000 after a 154-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. It has been recalled 3 times.

Decided
Oct 19, 2000
Review
154 days
Class
Class II
Product code
LIP
Recalls
3
Predicates
0

3 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2011: 1 descendant cleared2007: 1 descendant cleared2012: 1 descendant cleared200020052010201520202025
  1. This deviceK001552 Trepchek Treponemal Antibody EiaPhoenix Biotech Corp. · 2000
  2. Descendant · cites it directly · 1 of its ownK063866 Bioplex 2200 Syphilis Igg Kit on the Bioplex 2200 Multi-Analyte…Bio-Rad Laboratories · 2007 · Recalled
  3. Descendant · 2 generations on · 0 of its ownK120439 Bioplex 2200 Ebv Igg and Syphilis IggBio-Rad Laboratories, Inc. · 2012
  4. Descendant · cites it directly · 0 of its ownK102400 Syphilis Health CheckDiagnostics Direct, LLC · 2011

Most influential descendants

Showing 3 of 3 · See all
  • K063866Bioplex 2200 Syphilis Igg Kit on the Bioplex 2200 Multi-Analyte Detection SystemBio-Rad Laboratories · 2007 · cites it directly1descendant
  • K120439Bioplex 2200 Ebv Igg and Syphilis IggBio-Rad Laboratories, Inc. · 2012 · 2 generations on0descendants
  • K102400Syphilis Health CheckDiagnostics Direct, LLC · 2011 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K001552Trepchek Treponemal Antibody EiaPhoenix Biotech Corp.2000—
+1K063866Bioplex 2200 Syphilis Igg Kit on the Bioplex 2200 Multi-Analyte Detection SystemBio-Rad Laboratories20073
+2K120439Bioplex 2200 Ebv Igg and Syphilis IggBio-Rad Laboratories, Inc.2012—
+1K102400Syphilis Health CheckDiagnostics Direct, LLC2011—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200710
201110
201210
FIG. 1 — Lineage of K001552, 2000–2012Source: 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.

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

Top candidate predicates for a new LIP device

  1. #1 K241534 VITROS Immunodiagnostic Products Syphilis…score 9.1 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin 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)

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

NumberDeviceApplicantDecidedDescendants
K063866Bioplex 2200 Syphilis Igg Kit on the Bioplex 2200 Multi-Analyte Detection SystemBio-Rad Laboratories20071
K102400Syphilis Health CheckDiagnostics Direct, LLC20110

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Mar 16, 2005Not classifiedZ-0784-05OtherPackage insert incorrectly states that specimen diluent is ready to use, however specimen diluent bottle in kit states that the diluent must be diluted to one liter.
Dec 9, 2003Not classifiedZ-0513-04OtherThe test kit may have the potential to give erroneous results in that it may give higher frequency of equivocal/low positive results.
Sep 11, 2003Not classifiedZ-0325-05OtherSeveral customers complained that either the negative control index value exceeded the upper control limit or there was very low activity of the cut off calibrator causing patient sample test runs to be called invalid.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K063866 (Bio-Rad Laboratories, 2007) has gone furthest, with 1 descendant of its own.

How does its category compare?

All LIP devices

LIP Enzyme Linked Immunoabsorption Assay, Treponema Pallidum: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LIP

2in 2024

2007: 12009: 12010: 12011: 22012: 22016: 32017: 12021: 12024: 2
2007high 3 (2016) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LIP

170in 2016

2016: 170 days median
2007high 170 (2016)2026

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

Recalls per year · LIP

2in 2022

2007: 22010: 12013: 12014: 12021: 22022: 22026 (partial year): 2
2007high 2 (2007) · low 0 (2008)2026

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

Adverse event reports per year · LIP

112in 2025

2010: 12012: 12013: 42014: 12015: 22016: 12017: 32018: 52019: 92020: 462021: 542022: 442023: 662024: 732025: 112
2007high 112 (2025) · low 0 (2007)2025

MAUDE reports naming product code LIP, 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
20071—20
20080—00
20091—00
20101—11
20112—00
20122—01
20130—14
20140—11
20150—02
2016317001
20171—03
20180—05
20190—09
20200—046
20211—254
20220—244
20230—066
20242—073
20250—0112
20260—2—
Cite this page

510(k) Report. “K001552: Trepchek Treponemal Antibody Eia.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K001552

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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