Cleared Traditional

IMMULITE VITAMIN B12 (LKVB1,LKVB5) (K971177) - FDA 510(k) Clearance

Class II Chemistry device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K971177 · Diagnostic Products Corp. · Chemistry device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
May 1997
Decision
46d
Days
Class 2
Risk

K971177 is an FDA 510(k) clearance for the IMMULITE VITAMIN B12 (LKVB1,LKVB5). Classified as Radioassay, Vitamin B12 (product code CDD), Class II - Special Controls.

Submitted by Diagnostic Products Corp. (Los Angeles, US). The FDA issued a Cleared decision on May 16, 1997 after a review of 46 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 K971177 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 31, 1997
Decision Date May 16, 1997
Days to Decision 46 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
42d faster than avg
Panel avg: 88d · This submission: 46d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CDD Radioassay, Vitamin B12
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 - CDD Radioassay, Vitamin B12

All 77
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