510(k) Report

510(k) · Cleared

Cleared

Cobas (R)-FP Reagent for Procainamide/Calibrator

K942847510(k) TraditionalCleared Dec 2, 1994169-day reviewClass II21 CFR 862.3320

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

Roche Diagnostic Systems, Inc. · LAR Enzyme Immunoassay, Procainamide

Cleared on Dec 2, 1994 after a 169-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 2 later devices descend from it.

Decided
Dec 2, 1994
Review
169 days
Class
Class II
Product code
LAR
Recalls
None
Predicates
0

2 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2003: 1 descendant cleared2009: 1 descendant cleared1990200020102020
  1. This deviceK942847 Cobas (R)-FP Reagent for Procainamide/CalibratorRoche Diagnostic Systems, Inc. · 1994
  2. Descendant · cites it directly · 1 of its ownK031856 Preciset TDM I and Preciset TDM II CalibratorsRoche Diagnostics Corp. · 2003 · Recalled
  3. Descendant · 2 generations on · 0 of its ownK091617 QMS Lidocaine Calibrators, Model 0374678Thermo Fisher Scientific · 2009

Most influential descendants

Showing 2 of 2 · See all
  • K031856Preciset TDM I and Preciset TDM II CalibratorsRoche Diagnostics Corp. · 2003 · cites it directly1descendant
  • K091617QMS Lidocaine Calibrators, Model 0374678Thermo Fisher Scientific · 2009 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K942847Cobas (R)-FP Reagent for Procainamide/CalibratorRoche Diagnostic Systems, Inc.1994—
+1K031856Preciset TDM I and Preciset TDM II CalibratorsRoche Diagnostics Corp.20032
+2K091617QMS Lidocaine Calibrators, Model 0374678Thermo Fisher Scientific2009—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200310
200910
FIG. 1 — Lineage of K942847, 1994–2009Source: 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? (2)

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

NumberDeviceApplicantDecidedDescendants
K031856Preciset TDM I and Preciset TDM II CalibratorsRoche Diagnostics Corp.20031

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, K031856 (Roche Diagnostics Corp., 2003) has gone furthest, with 1 descendant of its own.

How does its category compare?

All LAR devices

LAR Enzyme Immunoassay, Procainamide: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LAR

FDA has decided no LAR device since 2007.

Median 510(k) review, days · LAR

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

Recalls per year · LAR

No recall names LAR since 2007.

Adverse event reports per year · LAR

No MAUDE report names LAR 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. “K942847: Cobas (R)-FP Reagent for Procainamide/Calibrator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K942847

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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