510(k) Report

510(k) · Cleared

Cleared

Serim Residual Chlorine Test Kit

K901734510(k) TraditionalCleared Sep 13, 1990149-day reviewClass II21 CFR 876.5820

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

Serim Research Corp. · FKJ Filter, Blood, Dialysis

Cleared on Sep 13, 1990 after a 149-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 2 later devices descend from it.

Decided
Sep 13, 1990
Review
149 days
Class
Class II
Product code
FKJ
Recalls
None
Predicates
0

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

Descendants, by year cleared 2026: 1 descendant cleared2022: 1 descendant cleared1990200020102020
  1. This deviceK901734 Serim Residual Chlorine Test KitSerim Research Corp. · 1990
  2. Descendant · cites it directly · 0 of its ownK253863 GUARDIAN™ Quick Dip Residual Chlorine (5212)Serim Research · 2026
  3. Descendant · cites it directly · 0 of its ownK222167 E-Z Chek Chlorine Residual Test Strips (K100-0101B)Reprocessing Products Corporation (Rpc) · 2022

Most influential descendants

Showing 2 of 2 · See all
  • K253863GUARDIAN™ Quick Dip Residual Chlorine (5212)Serim Research · 2026 · cites it directly0descendants
  • K222167E-Z Chek Chlorine Residual Test Strips (K100-0101B)Reprocessing Products Corporation (Rpc) · 2022 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K901734Serim Residual Chlorine Test KitSerim Research Corp.1990—
+1K253863GUARDIAN™ Quick Dip Residual Chlorine (5212)Serim Research2026—
+1K222167E-Z Chek Chlorine Residual Test Strips (K100-0101B)Reprocessing Products Corporation (Rpc)2022—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202210
202610
FIG. 1 — Lineage of K901734, 1990–2026Source: 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 FKJ? 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 FKJ device

  1. #1 K253863 GUARDIAN™ Quick Dip Residual Chlorine (5212)score 11.0 · 1 generation · no Class I recall
Get a 510(k) Report

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)

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

NumberDeviceApplicantDecidedDescendants
K253863GUARDIAN™ Quick Dip Residual Chlorine (5212)Serim Research20260
K222167E-Z Chek Chlorine Residual Test Strips (K100-0101B)Reprocessing Products Corporation (Rpc)20220

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, K253863 (Serim Research, 2026) has gone furthest, with 0 descendants of its own.

How does its category compare?

All FKJ devices

FKJ Filter, Blood, Dialysis: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FKJ

1so far in 2026, the most since 2007

2026 (partial year): 1
2007high 1 (2026) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FKJ

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

Recalls per year · FKJ

No recall names FKJ since 2007.

Adverse event reports per year · FKJ

1in 2025

2007: 72008: 32009: 32010: 42013: 52015: 22016: 482017: 112025: 1
2007high 48 (2016) · low 0 (2011)2025

MAUDE reports naming product code FKJ, 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—07
20080—03
20090—03
20100—04
20110—00
20120—00
20130—05
20140—00
20150—02
20160—048
20170—011
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—01
20261—0—
Cite this page

510(k) Report. “K901734: Serim Residual Chlorine Test Kit.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K901734

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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