Tool · 510(k)

510(k) Predicate Finder

Find potential predicate devices for your 510(k) submission. Enter a K-number to find all clearances with the same product code, a three-letter product code to browse clearances directly, or search by device name.

Product Code: CEM FDA class 2

Electrode, Ion Specific, Potassium

Clinical Chemistry

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The Ion-Specific Electrode Potassium Test is a clinical chemistry device that measures potassium ion concentration in blood or other biological fluids using a potassium-selective electrode, providing a rapid and accurate means of assessing electrolyte status, used in the management of cardiac arrhythmias, renal disease, and fluid-electrolyte disorders. It is classified as FDA Class 2 (moderate risk), requiring 510(k) premarket notification. The product code is CEM, regulated under 21 CFR 862.1600, within the Clinical Chemistry medical specialty. This device is eligible for third-party review.

510(k) Clearances

50+ matches
K Number
Device Name
ABL90 FLEX PLUS System
EasyStat 300
ISE Electrodes
SmartLyte® Plus Electrolyte Analyzer Na+/K+/Cl-/Ca++/Li+
FLEXLAB 3.6, ACCELERATOR A3600
SMARTLYTE ELECTROLYTE ANALYZER
GEM PREMIER 4000
BIOLIS 12I
AU5800(R) CHEMISTRY ANALYZER
POLY-CHEM 90 ISE MODULE
EASTLYTE NA/K/CA/PH
ABL90 FLEX SERIES
BLOOD COLLECTION TUBE SAMPLES FOR USE WITH POINT OF CARE BLOOD ANALYZER
ACCELERATOR APS
VITROS CHEMISTRY PRODUCTS K+DT SLIDES: VITROS CHEMISTRY PRODUCTS DT CALIBRATOR KIT, MODEL K+DT SLIDES: 153 2258
VITROS CHEMISTRY PRODUCTS K+ SLIDES AND CALIBRATOR KIT 2
DPC T60I KUSTI, MODEL 984248; DPC T60I, MODEL 984247
OSMETECH OPTI R CRITICAL CARE ANALYZER, MODEL GD7044
RX IMOLA
COBAS 6000 SERIES SYSTEM
UNICEL DXC 600 AND 800 SYNCHRON SYSTEMS
BIO-CHEM ANALYZER, MODEL 100
STAT K IN VITRO DIAGNOSTIC TEST SYSTEM
ROCHE DIAGNOSTICS OMNI S ANALYZER
OMNI C ANALYZER
DIMENSION CLINICAL CHEMISTRY SYSTEM, MODEL XPAND
ALCYON 300I (WITH ISE MODULE) ANALYZER
AVL OPTI CRITICAL CARE ANALYZER
DADE INDIRECT IMT SYSTEM WITH TCO2 ELECTRODE
EASY STAT SODIUM/POTASSIUM/LITHIUM ANALYZER
EKTACHEM CLINICAL CHEMISTRY SLIDE POTASSIUM (K+)
DU PONT ISE SENSOR CARTRIDGE/REVISED TCO2 ELECTROD
NOVA NA/K/CL/LI MODULE
MILES POTASSIUM METHOD
STAT K SYSTEM
NOVA 5 NA/K/C1 ALALYZER
NOVA 11 NA/K/LI ANALYZER
ISE/K+
MODIFIED APSARA CLINICAL DIAGNOSTIC ANALYZER
IONOMETER EH
IONOMETER EH-HK AND ACCESSORIES
LYTENING 2Z LYTENING SYSTEM 31
SATELLITE K+ BLOOD POTASSIUM MONITORING SYSTEM
AMDEV LYTENING 2 SODIUM/POTASSIUM/LITHIUM/ANALYZER
TECHNICON DAX SYSTEM - POTASSIUM (ISE) METHOD
POTASSIUM AND SODIUM ELECTROLYTE ANALYZER
MODEL 654 A SODIUM, POTASSIUM & LITHIUM ISE ANALY
VISION LYTE (TM) POTASSIUM
AVL MODEL 986 ELECTROLYTE ANALYZER
AVL MODEL 985 ELECTROLYTE ANALYZER

What is a Predicate Device?

A predicate device is a legally marketed device that a new 510(k) applicant uses to demonstrate substantial equivalence. The FDA's 510(k) pathway requires manufacturers to show that their device has the same intended use and similar technological characteristics as one or more predicate devices already cleared for commercial distribution.

Finding the right predicate is a critical step in 510(k) strategy. Manufacturers typically search for cleared devices with the same FDA product code, which groups devices by their intended use and regulatory classification. This tool helps you identify potential predicates by browsing all clearances within a product code.

Note that predicate devices must be legally marketed — they cannot be devices that were cleared but never commercialized, or devices subject to a mandatory recall. The determination of substantial equivalence considers intended use, technological characteristics, and performance data.

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