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.

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Describe your device and the Research Assistant searches 510(k)s, compares intended use, and drafts a predicate shortlist — with citations.

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Product Code: OJN FDA class 3

Mycobacterium Tuberculosis, Cell Mediated Immune Response, Enzyme-Linked Immunospot Test

Unknown

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The Mycobacterium Tuberculosis, Cell Mediated Immune Response, Enzyme-Linked Immunospot Test (ELISPOT) is an in vitro diagnostic test that detects effector T cells responding to stimulation by M. tuberculosis antigens ESAT-6 and CFP-10, indicated as an aid in diagnosing M. tuberculosis infection in conjunction with risk assessment, radiography, and other medical evaluations. Classified as FDA Class 3 requiring Premarket Approval (PMA), it is the highest risk class reflecting the critical role this test plays in tuberculosis diagnosis; it is reviewed by the Microbiology panel with no assigned regulation number. The product code is OJN. It is not flagged as an implant or life-sustaining device.

No 510(k) clearances found for "OJN". Try a different K-number, product code, or device name.

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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