Cleared Traditional

K121533 - ST AIA-PACK HOMOCYSTEINE

Also marketed or referenced as:
ST AIA-PACK HOMOCYSTEINE CALIBRATOR SET AIA-PACK HOMOCYSTEINE CONTROL SET

K121533 is an FDA 510(k) clearance for ST AIA-PACK HOMOCYSTEINE, manufactured by Tosoh Bioscience, Inc.. The device is a Class 2 Chemistry device with product code LPS cleared through the Traditional 510(k) pathway after a 22-day FDA review.

K121533 · Tosoh Bioscience, Inc. · Chemistry device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jun 2012
Decision
22d
Days
Class 2
Risk

K121533 is an FDA 510(k) clearance for the ST AIA-PACK HOMOCYSTEINE. Classified as Urinary Homocystine (nonquantitative) Test System (product code LPS), Class II - Special Controls.

Submitted by Tosoh Bioscience, Inc. (South San Franciso, US). The FDA issued a Cleared decision on June 15, 2012 after a review of 22 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1377 - 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 Tosoh Bioscience, Inc. devices

FDA 510(k) Submission Details - K121533

510(k) Number K121533 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 24, 2012
Decision Date June 15, 2012
Days to Decision 22 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
66d faster than avg
Panel avg: 88d · This submission: 22d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

LPS Device Classification - Class 2, Special Controls

Product Code LPS Urinary Homocystine (nonquantitative) Test System
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1377
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 - LPS Urinary Homocystine (nonquantitative) Test System

All 18
Devices cleared under the same product code (LPS) and FDA review panel - the closest regulatory comparables to K121533.
VITROS CHEMISTRY PRODUCTS HCY 2 REAGENT, CALIBRATOR KIT 27, HCY 2 PERFORMANCE VERIFIERS I, II AND III
K123930 · Ortho-Clinical Diagnostics, Inc. · May 2013
DIAZYME HOMOCYSTEINE POC TEST KIT
K121053 · Diazyme Laboratories · Jul 2012
AXIS-SHIELD 3-REAGENT HOMOCYSTEINE ASSAY FOR SYNCHRON
K112790 · Axis-Shield Diagnostics, Ltd. · May 2012
AXIS-SHIELD LIQUID STABLE (LS) 2-PART HOMOCYSTEINE REAGENT, MODEL FHRK100
K083222 · Axis-Shield Diagnostics, Ltd. · Jul 2009
ARCHITECT HOMOCYSTEINE REAGENTS, CALIBRATORS AND CONTROLS
K073640 · Axis-Shield Diagnostics, Ltd. · Apr 2008
DIAZYME HOMOCYSTEINE 2 REAGENT ENZYMATIC ASSAY KIT, AND CALIBRATORS, MODEL(S) DZXXXA, DZXXXA-CAL
K071971 · Diazyme Laboratories · Sep 2007