Cleared Traditional

K993251 - IMMULITE 2000 VITAMIN B12

K993251 is the FDA 510(k) clearance for IMMULITE 2000 VITAMIN B12 by Diagnostic Products Corp.. It is a Class 2 Chemistry device (product code LIG) cleared through the Traditional 510(k) pathway after a 50-day FDA review.

K993251 · Diagnostic Products Corp. · Chemistry device
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Nov 1999
Decision
50d
Days
Class 2
Risk

K993251 is an FDA 510(k) clearance for the IMMULITE 2000 VITAMIN B12, MODEL L2KVB2, L2KVB6. Classified as Radioassay, Intrinsic Factor Blocking Antibody (product code LIG), Class II - Special Controls.

Submitted by Diagnostic Products Corp. (Los Angeles, US). The FDA issued a Cleared decision on November 17, 1999 after a review of 50 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1810 - 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 Diagnostic Products Corp. devices

Submission Details

510(k) Number K993251 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 28, 1999
Decision Date November 17, 1999
Days to Decision 50 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
38d faster than avg
Panel avg: 88d · This submission: 50d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LIG Radioassay, Intrinsic Factor Blocking Antibody
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1810
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 - LIG Radioassay, Intrinsic Factor Blocking Antibody

All 7
Devices cleared under the same product code (LIG) and FDA review panel - the closest regulatory comparables to K993251.
IMMULISA INTRINSIC FACTOR ANTIBODY ELISA
K071346 · Immco Diagnostics, Inc. · Sep 2007
QUANTA LITE INTRINSIC FACTOR ELISA
K061841 · Inova Diagnostics, Inc. · Dec 2006
INSTRINSIC FACTOR AB, CALIBRATORS, AND QC ON THE ACCESS IMMUNOASSAY SYSTEMS, MODELS 387992, 387993, 387999
K033603 · Beckman Coulter, Inc. · Dec 2003
ABBOTT ARCHITECT B12
K984108 · Abbott Laboratories · Feb 1999
IMX B12
K903218 · Abbott Laboratories · Aug 1990
1F BLOCKING ANTIBODY(57 CO) RADIOASSAY
K811927 · Corning Medical & Scientific · Apr 1982