Cleared Traditional

K883765 - TBG 125I RIA KIT, RADIOIMMUNO. OF SERUM THYROXINE

K883765 is an FDA 510(k) clearance for TBG 125I RIA KIT, manufactured by Biotecx Laboratories, Inc.. The device is a Class 2 Chemistry device with product code KHQ cleared through the Traditional 510(k) pathway after a 55-day FDA review.

K883765 · Biotecx Laboratories, Inc. · Chemistry device
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Oct 1988
Decision
55d
Days
Class 2
Risk

K883765 is an FDA 510(k) clearance for the TBG 125I RIA KIT, RADIOIMMUNO. OF SERUM THYROXINE. Classified as Radioassay, Triiodothyronine Uptake (product code KHQ), Class II - Special Controls.

Submitted by Biotecx Laboratories, Inc. (Friendswood, US). The FDA issued a Cleared decision on October 31, 1988 after a review of 55 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1715 - 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: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Biotecx Laboratories, Inc. devices

FDA 510(k) Submission Details - K883765

510(k) Number K883765 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 06, 1988
Decision Date October 31, 1988
Days to Decision 55 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
33d faster than avg
Panel avg: 88d · This submission: 55d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KHQ Device Classification - Class 2, Special Controls

Product Code KHQ Radioassay, Triiodothyronine Uptake
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1715
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 - KHQ Radioassay, Triiodothyronine Uptake

All 74
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