Cleared Traditional

K974047 - ACCUWELL PHENYLALANINE ASSAY

K974047 is an FDA 510(k) clearance for ACCUWELL PHENYLALANINE ASSAY, manufactured by Neometrics, Inc.. The device is a Class 2 Chemistry device with product code JNB cleared through the Traditional 510(k) pathway after a 42-day FDA review.

K974047 · Neometrics, Inc. · Chemistry device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Dec 1997
Decision
42d
Days
Class 2
Risk

K974047 is an FDA 510(k) clearance for the ACCUWELL PHENYLALANINE ASSAY. Classified as Ninhydrin And L-leucyl-l-alanine (fluorimetric), Phenylalanine (product code JNB), Class II - Special Controls.

Submitted by Neometrics, Inc. (E. Northport, US). The FDA issued a Cleared decision on December 5, 1997 after a review of 42 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1555 - 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 Neometrics, Inc. devices

FDA 510(k) Submission Details - K974047

510(k) Number K974047 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 24, 1997
Decision Date December 05, 1997
Days to Decision 42 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
46d faster than avg
Panel avg: 88d · This submission: 42d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

JNB Device Classification - Class 2, Special Controls

Product Code JNB Ninhydrin And L-leucyl-l-alanine (fluorimetric), Phenylalanine
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1555
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 - JNB Ninhydrin And L-leucyl-l-alanine (fluorimetric), Phenylalanine

All 7
Devices cleared under the same product code (JNB) and FDA review panel - the closest regulatory comparables to K974047.
QUANTASE PHE/GAL SCREENING ASSAY
K984463 · Quantase , Ltd. · Feb 1999
WALLAC NEONATAL LEUCINE TEST KIT MODEL NL-1000
K982307 · Wallac, Inc. · Feb 1999
MANUAL PHENYLALANINE TEST
K963040 · Bio-Rad · Oct 1996
RADIAS PHENYLALANINE TEST
K960437 · Bio-Rad · Aug 1996
QUANTASE PHENYLALANINE ASSAY
K961515 · Shield Diagnostics, Ltd. · Jun 1996
PHENYLALANINE TEST KIT
K943547 · Isolab, Inc. · Jan 1996