Cleared Traditional

VITAMIN B12 57CO/FOLATE 125I - (K840462) - FDA 510(k) Clearance

Class II Chemistry device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K840462 · Corning Medical & Scientific · Chemistry device
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Jun 1984
Decision
144d
Days
Class 2
Risk

K840462 is an FDA 510(k) clearance for the VITAMIN B12 57CO/FOLATE 125I -. Classified as Radioassay, Vitamin B12 (product code CDD), Class II - Special Controls.

Submitted by Corning Medical & Scientific (Walker, US). The FDA issued a Cleared decision on June 25, 1984 after a review of 144 days - within the typical 510(k) review window.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1810 - the FDA in vitro diagnostics and chemistry framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Chemistry review framework, consistent with the majority of Class II 510(k) submissions.

View all Corning Medical & Scientific devices

Submission Details

510(k) Number K840462 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 02, 1984
Decision Date June 25, 1984
Days to Decision 144 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
56d slower than avg
Panel avg: 88d · This submission: 144d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CDD Radioassay, Vitamin B12
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1810
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Chemistry devices follow this clearance model.

Regulatory Peers - CDD Radioassay, Vitamin B12

All 77
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ARCHITECT B12
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