Cleared Traditional

K991146 - TSH ENZYME IMMUNOASSAY TEST KIT, MODEL #BC-1001

K991146 is an FDA 510(k) clearance for TSH ENZYME IMMUNOASSAY TEST KIT, manufactured by Biocheck, Inc.. The device is a Class 2 Chemistry device with product code JLW cleared through the Traditional 510(k) pathway after a 78-day FDA review.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jun 1999
Decision
78d
Days
Class 2
Risk

K991146 is an FDA 510(k) clearance for the TSH ENZYME IMMUNOASSAY TEST KIT, MODEL #BC-1001. Classified as Radioimmunoassay, Thyroid-stimulating Hormone (product code JLW), Class II - Special Controls.

Submitted by Biocheck, Inc. (Northridge, US). The FDA issued a Cleared decision on June 22, 1999 after a review of 78 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1690 - 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 Biocheck, Inc. devices

FDA 510(k) Submission Details - K991146

510(k) Number K991146 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 05, 1999
Decision Date June 22, 1999
Days to Decision 78 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
10d faster than avg
Panel avg: 88d · This submission: 78d
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 Chemistry devices follow this clearance model.

Regulatory Peers - JLW Radioimmunoassay, Thyroid-stimulating Hormone

All 195
Devices cleared under the same product code (JLW) and FDA review panel - the closest regulatory comparables to K991146.
CHEMWELL, ALSO KNOWN AS PROJECT 2900
K013420 · Awareness Technology, Inc. · Jul 2002
ACCUWELL TSH, MODEL KAW-TSH-960
K001455 · Neometrics, Inc. · Nov 2000
BIOCHECK SENSITIVE TSH (S-TSH) ENZYME IMMUNOASSAY TEST KIT
K990993 · Biocheck, Inc. · Jun 1999
THYROCHEK ONE-STEP WHOLE BLOOD RAPID TSH ASSAY
K990658 · Little Nell Labs, Inc. · Jun 1999
ABBOTT ARCHITECT TSH
K983442 · Abbott Laboratories · Nov 1998
3RD GENERATION TSH ASSAY FOR THE BAYER IMMUNO 1 SYSTEM
K981312 · Bayer Corp. · Jun 1998