510(k) Report

510(k) · Cleared

Recalled · Class II · 2013

Folic Acid

K943705510(k) TraditionalCleared Oct 31, 199491-day reviewClass II21 CFR 862.1295Recalls 1

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

Diagnostic Products Corp. · CGN Acid, Folic, Radioimmunoassay

Cleared on Oct 31, 1994 after a 91-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 2 later devices descend from it. It has been recalled once.

Decided
Oct 31, 1994
Review
91 days
Class
Class II
Product code
CGN
Recalls
1
Predicates
0

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

Descendants, by year cleared 1999: 1 descendant cleared2006: 1 descendant cleared1990200020102020
  1. This deviceK943705 Folic AcidDiagnostic Products Corp. · 1994
  2. Descendant · cites it directly · 1 of its ownK993254 Immulite 2000 Folic Acid, Model L2KF02, L2KF06Diagnostic Products Corp. · 1999 · Recalled
  3. Descendant · 2 generations on · 0 of its ownK060929 Immulite 2500 Vitamin B12 Model L5KVB2-200 Test,L5KVB6-600 Test…Diagnostic Products Corporation · 2006

Most influential descendants

Showing 2 of 2 · See all
  • K993254Immulite 2000 Folic Acid, Model L2KF02, L2KF06Diagnostic Products Corp. · 1999 · cites it directly1descendant
  • K060929Immulite 2500 Vitamin B12 Model L5KVB2-200 Test,L5KVB6-600 Test, Immulite 2500 Folic…Diagnostic Products Corporation · 2006 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K943705Folic AcidDiagnostic Products Corp.1994—
+1K993254Immulite 2000 Folic Acid, Model L2KF02, L2KF06Diagnostic Products Corp.19991
+2K060929Immulite 2500 Vitamin B12 Model L5KVB2-200 Test,L5KVB6-600 Test, Immulite 2500…Diagnostic Products Corporation2006—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199910
200610
FIG. 1 — Lineage of K943705, 1994–2006Source: 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 CGN? 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 CGN device

  1. #1 K233060 Elecsys Folate IIIscore 9.9 · 9 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 has not posted a summary or statement for it, 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
K993254Immulite 2000 Folic Acid, Model L2KF02, L2KF06Diagnostic Products Corp.19991

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

Recalls of this device

DateClassRecallRoot causeReason
Nov 6, 2013Class IIZ-0569-2014Unknown/Undetermined by firmpotential for an accelerated decline in counts per second (CPS) for three IMMULITE/IMMULITE 1000 Folic Acid kit lots. This may lead to a failed adjustment before the labeled expiration date is reached.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K993254 (Diagnostic Products Corp., 1999) has gone furthest, with 1 descendant of its own.

How does its category compare?

All CGN devices

CGN Acid, Folic, Radioimmunoassay: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CGN

1in 2024

2009: 22010: 12011: 12014: 12016: 12018: 12020: 12023: 12024: 1
2007high 2 (2009) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CGN

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

Recalls per year · CGN

3in 2019

2007: 22008: 12009: 12010: 12012: 22013: 12018: 22019: 3
2007high 3 (2019) · low 0 (2011)2026

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

Adverse event reports per year · CGN

9in 2025

2007: 262009: 32011: 282012: 112013: 22014: 42015: 12016: 42017: 62018: 22019: 12020: 52021: 32022: 132023: 82024: 192025: 9
2007high 28 (2011) · low 0 (2008)2025

MAUDE reports naming product code CGN, 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—226
20080—10
20092—13
20101—10
20111—028
20120—211
20130—12
20141—04
20150—01
20161—04
20170—06
20181—22
20190—31
20201—05
20210—03
20220—013
20231—08
20241—019
20250—09
20260—0—
Cite this page

510(k) Report. “K943705: Folic Acid.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K943705

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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