Cleared Traditional

K921684 - PTT-LA TEST KIT

K921684 is the FDA 510(k) clearance for PTT-LA TEST KIT by American Bioproducts Co.. It is a Class 2 Hematology device (product code GGW) cleared through the Traditional 510(k) pathway after a 62-day FDA review.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jun 1992
Decision
62d
Days
Class 2
Risk

K921684 is an FDA 510(k) clearance for the PTT-LA TEST KIT. Classified as Test, Time, Partial Thromboplastin (product code GGW), Class II - Special Controls.

Submitted by American Bioproducts Co. (Parsippany, US). The FDA issued a Cleared decision on June 9, 1992 after a review of 62 days - a notably fast clearance cycle.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.7925 - the FDA hematology 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 American Bioproducts Co. devices

Submission Details

510(k) Number K921684 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 08, 1992
Decision Date June 09, 1992
Days to Decision 62 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
51d faster than avg
Panel avg: 113d · This submission: 62d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GGW Test, Time, Partial Thromboplastin
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.7925
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 Hematology devices follow this clearance model.

Regulatory Peers - GGW Test, Time, Partial Thromboplastin

All 20
Devices cleared under the same product code (GGW) and FDA review panel - the closest regulatory comparables to K921684.
HemosIL Factor V Leiden (APC Resistance V)
K260551 · Instrumentation Laboratory (IL) Co. · Mar 2026
PTT-LT TEST KIT
K941210 · American Bioproducts Co. · Mar 1995
STACLOT(R) PNP TEST KIT
K924370 · American Bioproducts Co. · Aug 1993
ACTIVATED PARTIAL THROMBOPLASTIN TIME
K915463 · Sigma Diagnostics, Inc. · Jan 1992
READS ANTI-CARDIOLIPIN SEMI-QUANTITATIVE TEST KIT
K902236 · Biosearch Medical Products, Inc. · Aug 1990
PLATELET EXTRACT REAGENT
K873382 · Bio/Data Corp. · Nov 1987