Cleared Traditional

K781733 - RIA KIT

K781733 is the FDA 510(k) clearance for RIA KIT by Serono Laboratories, Inc.. It is a Class 2 Immunology device (product code JHI) cleared through the Traditional 510(k) pathway after a 68-day FDA review.

K781733 · Serono Laboratories, Inc. · Immunology device
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Dec 1978
Decision
68d
Days
Class 2
Risk

K781733 is an FDA 510(k) clearance for the RIA KIT, PREG-STAT. Classified as Visual, Pregnancy Hcg, Prescription Use (product code JHI), Class II - Special Controls.

Submitted by Serono Laboratories, Inc. (Mchenry, US). The FDA issued a Cleared decision on December 20, 1978 after a review of 68 days - a notably fast clearance cycle.

This device falls under the Immunology FDA review panel, regulated under 21 CFR 862.1155 - the FDA immunology 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 Serono Laboratories, Inc. devices

Submission Details

510(k) Number K781733 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 13, 1978
Decision Date December 20, 1978
Days to Decision 68 days
Submission Type Traditional
Review Panel Immunology (IM)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
36d faster than avg
Panel avg: 104d · This submission: 68d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code JHI Visual, Pregnancy Hcg, Prescription Use
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1155
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 Immunology devices follow this clearance model.

Regulatory Peers - JHI Visual, Pregnancy Hcg, Prescription Use

All 206
Devices cleared under the same product code (JHI) and FDA review panel - the closest regulatory comparables to K781733.
RABBIT ANTISERUM TO HUMAN CHORIONIC
K790864 · Pcl-Ria, Inc. · Jul 1979
LABELED HUMAN CHORIONIC GONADOTROPHIN
K790876 · Pcl-Ria, Inc. · Jul 1979
CONCEP-7-B-HCG
K790397 · Leeco Diagnostics, Inc. · May 1979
RIA QUANT B-HCG TEST KIT
K781578 · Mallinckrodt Critical Care · Oct 1978
QUANTROLS HCG
K772086 · Organon, Inc. · Nov 1977