Cleared Traditional

K233541 - ARCHITECT Active-B12 (Holotranscobalamin) (FDA 510(k) Clearance)

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

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Jul 2024
Decision
271d
Days
Class 2
Risk

K233541 is an FDA 510(k) clearance for the ARCHITECT Active-B12 (Holotranscobalamin). Classified as Radioassay, Vitamin B12 (product code CDD), Class II - Special Controls.

Submitted by Axis-Shield Diagnostics, Ltd. (Dundee, GB). The FDA issued a Cleared decision on July 31, 2024 after a review of 271 days - an extended review cycle.

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 Axis-Shield Diagnostics, Ltd. devices

Submission Details

510(k) Number K233541 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 03, 2023
Decision Date July 31, 2024
Days to Decision 271 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
183d slower than avg
Panel avg: 88d · This submission: 271d
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.