510(k) Report

510(k) · Cleared

Cleared

VDRL Carbon Antigen Test S900500, S900250 & S90010

K851504510(k) TraditionalCleared Aug 19, 1985126-day reviewClass II21 CFR 866.3820

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

Ncs Diagnostics, Inc. · GMP Antisera, Control For Nontreponemal Tests

Cleared on Aug 19, 1985 after a 126-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 5 later devices descend from it.

Decided
Aug 19, 1985
Review
126 days
Class
Class II
Product code
GMP
Recalls
None
Predicates
0

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

Descendants, by year cleared 2018: 1 descendant cleared2011: 1 descendant cleared2015: 1 descendant cleared2020: 1 descendant cleared2025: 1 descendant cleared1990200020102020
  1. This deviceK851504 VDRL Carbon Antigen Test S900500, S900250 & S90010Ncs Diagnostics, Inc. · 1985
  2. Descendant · cites it directly · 2 of its ownK111356 Asimanager - atArlington Scientific, Inc. · 2011
  3. Descendant · cites it directly · 1 of its ownK173376 ASI EvolutionArlington Scientific, Inc. (Asi) · 2018
  4. Descendant · 2 generations on · 1 of its ownK150358 Gold Standard Diagnostics AIX1000 Rapid Plasma Reagin (RPR)…Gold Standard Diagnostics · 2015
  5. Descendant · 3 generations on · 0 of its ownK250249 Gold Standard Diagnostics (GSD) AIX1000 Rapid Plasma Reagin (RPR)…Gold Standard Diagnostics, LLC · 2025
  6. Descendant · 2 generations on · 0 of its ownK201438 ASI Automated RPR (rapid plasma reagin) Test for Syphilis, for use…Arlington Scientific, Inc. (Asi) · 2020

Most influential descendants

Showing 5 of 5 · See all
  • K111356Asimanager - atArlington Scientific, Inc. · 2011 · cites it directly2descendants
  • K173376ASI EvolutionArlington Scientific, Inc. (Asi) · 2018 · cites it directly1descendant
  • K150358Gold Standard Diagnostics AIX1000 Rapid Plasma Reagin (RPR) Automated Test SystemGold Standard Diagnostics · 2015 · 2 generations on1descendant
  • K250249Gold Standard Diagnostics (GSD) AIX1000 Rapid Plasma Reagin (RPR) Automated Test SystemGold Standard Diagnostics, LLC · 2025 · 3 generations on0descendants
  • K201438ASI Automated RPR (rapid plasma reagin) Test for Syphilis, for use on the ASI Evolution…Arlington Scientific, Inc. (Asi) · 2020 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K851504VDRL Carbon Antigen Test S900500, S900250 & S90010Ncs Diagnostics, Inc.1985—
+1K111356Asimanager - atArlington Scientific, Inc.2011—
+1K173376ASI EvolutionArlington Scientific, Inc. (Asi)2018—
+2K150358Gold Standard Diagnostics AIX1000 Rapid Plasma Reagin (RPR) Automated Test…Gold Standard Diagnostics2015—
+3K250249Gold Standard Diagnostics (GSD) AIX1000 Rapid Plasma Reagin (RPR) Automated…Gold Standard Diagnostics, LLC2025—
+2K201438ASI Automated RPR (rapid plasma reagin) Test for Syphilis, for use on the ASI…Arlington Scientific, Inc. (Asi)2020—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201110
201510
201810
202010
202510
FIG. 1 — Lineage of K851504, 1985–2025Source: 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 GMP? 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 has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (5)

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

NumberDeviceApplicantDecidedDescendants
K111356Asimanager - atArlington Scientific, Inc.20112
K173376ASI EvolutionArlington Scientific, Inc. (Asi)20181

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, K111356 (Arlington Scientific, Inc., 2011) has gone furthest, with 2 descendants of its own.

How does its category compare?

All GMP devices

GMP Antisera, Control For Nontreponemal Tests: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GMP

FDA has decided no GMP device since 2007.

Median 510(k) review, days · GMP

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

Recalls per year · GMP

No recall names GMP since 2007.

Adverse event reports per year · GMP

No MAUDE report names GMP since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
Cite this page

510(k) Report. “K851504: VDRL Carbon Antigen Test S900500, S900250 & S90010.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K851504

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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