Cleared Traditional

K770892 - TSH RADIOIMMUNOASSAY

K770892 is an FDA 510(k) clearance for TSH RADIOIMMUNOASSAY, manufactured by Kallestad Laboratories, Inc.. The device is a Class 2 Immunology device with product code JLW cleared through the Traditional 510(k) pathway after a 28-day FDA review.

K770892 · Kallestad Laboratories, Inc. · Immunology device
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Jun 1977
Decision
28d
Days
Class 2
Risk

K770892 is an FDA 510(k) clearance for the TSH RADIOIMMUNOASSAY. Classified as Radioimmunoassay, Thyroid-stimulating Hormone (product code JLW), Class II - Special Controls.

Submitted by Kallestad Laboratories, Inc. (Mchenry, US). The FDA issued a Cleared decision on June 14, 1977 after a review of 28 days - a notably fast clearance cycle.

This device falls under the Immunology FDA review panel, regulated under 21 CFR 862.1690 - the FDA immunology device 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 Kallestad Laboratories, Inc. devices

FDA 510(k) Submission Details - K770892

510(k) Number K770892 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 17, 1977
Decision Date June 14, 1977
Days to Decision 28 days
Submission Type Traditional
Review Panel Immunology (IM)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
77d faster than avg
Panel avg: 105d · This submission: 28d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

JLW Device Classification - Class 2, Special Controls

Product Code JLW Radioimmunoassay, Thyroid-stimulating Hormone
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1690
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 Immunology devices follow this clearance model.

Regulatory Peers - JLW Radioimmunoassay, Thyroid-stimulating Hormone

All 200
Devices cleared under the same product code (JLW) and FDA review panel - the closest regulatory comparables to K770892.
THYROID STIMULATING HORMONE
K771590 · New England Nuclear · Sep 1977
TSH RIA TEST SYSTEM
K771222 · Monobind · Aug 1977
HTSH RIA HUMAN THYROID HORMONE RIA
K771235 · Abbott Laboratories · Aug 1977
CLASP RIA KIT, HTSH
K770915 · E. R. Squibb & Sons, Inc. · Jun 1977
RIA-DAC TM HTSH KIH
K770604 · Mallinckrodt Critical Care · Apr 1977
TEST SYSTEM, THYROID STIM. HORMONE ASSAY
K760255 · Corning Medical & Scientific · Nov 1976