510(k) Report

510(k) · Cleared

Cleared

Diazyme Folate Assay , Diazyme Folate Calibrator Set, Diazyme Folate Control Set

K161646510(k) TraditionalCleared Nov 4, 2016142-day reviewClass II21 CFR 862.1295

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

Diazyme Laboratories · CGN Acid, Folic, Radioimmunoassay

Cleared on Nov 4, 2016 after a 142-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
Nov 4, 2016
Review
142 days
Class
Class II
Product code
CGN
Recalls
None
Predicates
0

FDA’s file for it is a 510(k) statement, which names no predicate.

FIG. 1 — Lineage of K161646Source: FDA 510(k) database · 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), the FDA 510(k) statement (indications), 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’s file for it is a 510(k) statement, which names no predicate.

What descends from it?

No later submission names this one as a predicate yet.

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.

How does its category compare?

All CGN devices

CGN Acid, Folic, Radioimmunoassay: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.

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—

What is it indicated for?

The Diazyme Folate Assay is a homogeneous enzyme immunoassay intended for use in the quantitative analysis of folate in human serum. Folic acid measurements are used in the diagnosis and treatment of anemias. For in-vitro diagnostic use only.

The Diazyme Folate Calibrator Set is intended for use in the calibration of the Diazyme Folate Assay. For in vitro diagnostic use only.

The Diazyme Folate Control Set is intended for use as quality controls for the Diazyme Folate Assay. For in vitro diagnostic use only.

Indications for use as stated in the FDA 510(k) statement.

Cite this page

510(k) Report. “K161646: Diazyme Folate Assay , Diazyme Folate Calibrator Set, Diazyme Folate Control Set.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K161646

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026