Cleared Traditional

K842668 - LIQUI-HEME HEMOGLOBIN CALIBRATORS

K842668 is an FDA 510(k) clearance for LIQUI-HEME HEMOGLOBIN CALIBRATORS, manufactured by Biodiagnostic Intl. The device is a Class 2 Chemistry device with product code KRZ cleared through the Traditional 510(k) pathway after a 238-day FDA review.

K842668 · Biodiagnostic Intl · Chemistry device
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Mar 1985
Decision
238d
Days
Class 2
Risk

K842668 is an FDA 510(k) clearance for the LIQUI-HEME HEMOGLOBIN CALIBRATORS. Classified as Calibrator For Hemoglobin And Hematocrit Measurement (product code KRZ), Class II - Special Controls.

Submitted by Biodiagnostic Intl (Mchenry, US). The FDA issued a Cleared decision on March 5, 1985 after a review of 238 days - an extended review cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 864.8165 - 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Chemistry review framework, consistent with the majority of Class II 510(k) submissions.

View all Biodiagnostic Intl devices

FDA 510(k) Submission Details - K842668

510(k) Number K842668 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 10, 1984
Decision Date March 05, 1985
Days to Decision 238 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
150d slower than avg
Panel avg: 88d · This submission: 238d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KRZ Device Classification - Class 2, Special Controls

Product Code KRZ Calibrator For Hemoglobin And Hematocrit Measurement
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.8165
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 - KRZ Calibrator For Hemoglobin And Hematocrit Measurement

All 18
Devices cleared under the same product code (KRZ) and FDA review panel - the closest regulatory comparables to K842668.
MSI-CAL 16
K883850 · Medical Specialties, Inc. · Nov 1988
MSI-CAL 8
K883851 · Medical Specialties, Inc. · Nov 1988
CYANMETHEMOGLOBIN STANDARD
K871283 · U. S. Diagnostics, Inc. · Apr 1987
QCA HEMOGLOBIN KIT
K843695 · Bd Becton Dickinson Vacutainer Systems Preanalytic · Dec 1984
DADE HEMATOLOGY CALIBRATOR PLUS
K840010 · American Dade · Apr 1984
CAL-CHEX, A HEMATOLOGY CALIBRATOR
K840261 · Streck Laboratories, Inc. · Feb 1984