510(k) Report

510(k) · Cleared

Cleared

Coat-a-Count Cocaine Metabolite TKCN1 & TKCN5

K870740510(k) TraditionalCleared Mar 19, 198722-day reviewClass II21 CFR 862.3250

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

Diagnostic Products Corp. · KLN Radioimmunoassay, Cocaine Metabolite

Cleared on Mar 19, 1987 after a 22-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 1 later device descends from it.

Decided
Mar 19, 1987
Review
22 days
Class
Class II
Product code
KLN
Recalls
None
Predicates
0

1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 1997: 1 descendant cleared1990200020102020
  1. This deviceK870740 Coat-a-Count Cocaine Metabolite TKCN1 & TKCN5Diagnostic Products Corp. · 1987
  2. Descendant · cites it directly · 0 of its ownK963918 Immulite Cocaine MetaboliteDiagnostic Products Corp. · 1997

Most influential descendants

Showing 1 of 1 · See all
  • K963918Immulite Cocaine MetaboliteDiagnostic Products Corp. · 1997 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K870740Coat-a-Count Cocaine Metabolite TKCN1 & TKCN5Diagnostic Products Corp.1987—
+1K963918Immulite Cocaine MetaboliteDiagnostic Products Corp.1997—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199710
FIG. 1 — Lineage of K870740, 1987–1997Source: 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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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? (1)

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

NumberDeviceApplicantDecidedDescendants
K963918Immulite Cocaine MetaboliteDiagnostic Products Corp.19970

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, K963918 (Diagnostic Products Corp., 1997) has gone furthest, with 0 descendants of its own.

How does its category compare?

All KLN devices

KLN Radioimmunoassay, Cocaine Metabolite: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KLN

FDA has decided no KLN device since 2007.

Median 510(k) review, days · KLN

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

Recalls per year · KLN

No recall names KLN since 2007.

Adverse event reports per year · KLN

No MAUDE report names KLN 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. “K870740: Coat-a-Count Cocaine Metabolite TKCN1 & TKCN5.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K870740

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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