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: KHS FDA class 2

Enzymatic, Carbon-Dioxide

Clinical Chemistry

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Enzymatic Carbon Dioxide is a clinical chemistry reagent system that uses enzymatic methods to measure total carbon dioxide or bicarbonate concentration in blood or serum, providing an assessment of the patient's acid-base status and electrolyte balance as part of a metabolic panel. It is classified as FDA Class 2, indicating moderate risk; devices in this category are subject to general controls and special controls, and typically require 510(k) premarket notification demonstrating substantial equivalence to a predicate device. The product code is KHS, regulated under 21 CFR 862.1160, within the Clinical Chemistry medical specialty. This device is eligible for third-party review.

510(k) Clearances

50+ matches
K Number
Device Name
Carbon Dioxide Reagent Set
Liquid CO2-2 (LCO2-2)
S TEST REAGENT CARTRIDGE CARBON DIOXIDE (CO2)
AU BICARBONATE REAGENT
ACE CARBON DIOXIDE REAGENT, ACE DIRECT BILIUBIN REAGENT, ACE TOTAL BILIRUBIN REAGENT, ACE MAGNESIUM REAGENT
VITROS CHEMISTRY PRODUCTS ECO2 SLIDES
ACE CARBON DIOXIDE(CO2-LC) REAGENT, ACE DIRECT BILIRUBIN REAGENT, ACE TOTAL BILIRUBIN REAGENT, ACE MAGNESIUM REAGENT
ELITECH CLINICAL SYSTEMS CARBON DIOXIDE ELECTRODE, ELITECH CLINICAL SYSTEMS ISE CALIBRATORS
EON 100 CHEMISTRY ANALYZER WITH ISE , MODEL 77105, BICARBONATE REAGENT, MODEL 77475
ADVIA CHEMISTRY SYSTEMS CARBON DIOXIDE LIQUID (C02_L) ASSAY, MODEL REF 07987100, 07506781
VITROS CHEMISTRY PRODUCTS CO2 DT SLIDES; VITROS CHEMMISTRY PRODUCTS DT CALIBRATOR KIT, MODELS CO2 DT SLIDES, 172 0002;
SYNCHRON SYSTEMS ENZYMATIC CO2 (CO2E) REAGENT, MODEL A60291
S-TEST C02
CARBON DIOXIDE (CO2), SCAL, NORTROL AND ABTROL
CARBON DIOXIDE LIQUID STABLE REAGENT
DIAZYME CARBON DIOXIDE ENZYMATIC ASSAY KIT, MODEL KZ122A
DIMENSION VISTA CARBON DIOXIDE, CREATININE AND LACTATE DEHYDROGENASE FLEX REAGENT CARTRIDGE
CARBON DIOXIDE
MODIFICATION TO CARBON DIOXIDE-L3K ASSAY, CAT. NOS. 299-30, 299-17, 299-50, 299-80 AND 299-12
ROCHE DIAGNOSTICS HITACHI BICARBONATE LIQUID
COBAS INTEGRA CARBON DIOXIDE ASSAY
JAS CARBON DIOXIDE LIQUID REAGENT
ANALYST PANELS + ANALYTICAL TEST ROTOR
DIMENSION ENZYMATIC CARBONATE (ECO2) FLEX METHOD, CATALOG DF137
CARBON DIOXIDE-L3K-C ASSAY, MODELS 288-30 AND 288-80
VITRO CHEMISTRY PRODUCTS ECO2 SLIDE & CALIBRATOR KIT 2
CARESIDE CO2, TOTAL
CARBON DIOXIDE (CO2), PRODUCT NO. CC0107-01
CARBON DIOXIDE - L3K ASSAY, CATALOGUE NUMBER 299-30/40/50
CARBON DIOXIDE-SL ASSAY, CAT # 253-01
RAICHEM CO2 REAGENT
CO2
COBAS INTEGRA CARBON DIOXIDE (CO2-S), COBAS INTEGRA GLUCOSE HK LIQUID (GLULF)
CO2
CARBON DIOXIDE - DST
SYNERMED ENZYMATIC CO2 REAGENT KIT
SERUM BICARBONATE/CARBON DIOXIDE
TOTAL CO2
CARBON DIOXIDE - DST
CARBON DIOXIDE (C02)
BOEHRINGER MANNHEIM BICARBONATE ASSAY
TECHNISON AXON SYSTEM
ENZYMATIC CO2 REAGENT, MODIFICATION
BICARBONATE
BICARBONATE
SYNERMED ENZYMATIC CO2 REAGENT KIT
COULTER CARBON DIOXIDE REAGENT
ABBOTT QUICKSTART BICARBONATE TEST CO2 ITEM# 5A22
SYSTEMATE BICARBONATE OLYMPUS BICARBONATE
TECHNICON CHEM I SYSTEM CARBON DIOXIDE METHOD

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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