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Phase II Theophylline Radioimmunoassay

by Medical & Scientific Designs, Inc.

510(k) K833789

Active United States

510(k)

Valid until

No expiry

510(k) clearance is not time-limited

FDA recalls

None found

in data synced 6 Oct 2026

Documents

Trust

Unverified

Registry data, not yet checked by deviCERTS. Source FDA 510(k), synced 6 Oct 2026. What this means

Regulatory status

as of registry sync 6 Oct 2026

RegionAuthorizationNumberDateStatus
United StatesFDA 510(k)SESE Substantially Equivalent · Traditional NumberK833789 Date24 Jan 1984ClearedStatusActive

Recalls

0 recalls · FDA

No FDA recalls found in the data synced 6 Oct 2026.

Coverage

1 jurisdiction

United States of America
  • Active
  • Expiring
  • Withdrawn
  • Listed
  • Not covered

United States — FDA 510(k) Active

Specification

510(k)

510(k) Number
FDA Product Code
LCA
Device Class
Class II
Regulation
21 CFR Part 862.3880
Advisory Committee
Clinical Toxicology
FDA Decision
SESE Substantially Equivalent

Overview

AI-generated summary, 21 Sep 2026

Written by a language model from registry data. Not verified by deviCERTS or the manufacturer. The registry data above is the record.

The Phase II Theophylline Radioimmunoassay is a Class II medical device used for the quantitative determination of theophylline in human serum or plasma. This radioimmunoassay measures theophylline levels, which is a medication used to treat respiratory diseases such as asthma and COPD.

The device is supplied as a kit and is intended for single-use in clinical laboratory settings. It is not MRI compatible and requires storage according to the manufacturer's instructions. The device received FDA 510(k) clearance with K number K833789 and is classified under product code LCA, regulated under 21 CFR 862.3880.

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Questions

AI-generated answers, 21 Sep 2026

Written by a language model from registry data. Not verified by deviCERTS or the manufacturer. The registry data above is the record.

  • What is the Phase II Theophylline Radioimmunoassay used for?

    The Phase II Theophylline Radioimmunoassay is a Class II medical device used for the quantitative determination of theophylline levels in human serum or plasma. Theophylline is a medication commonly used to treat respiratory diseases such as asthma and COPD.

  • How is the Phase II Theophylline Radioimmunoassay supplied?

    The device is supplied as a kit and is intended for single-use in clinical laboratory settings. It requires storage according to the manufacturer's instructions and is not MRI compatible.

  • What is the regulatory status of the Phase II Theophylline Radioimmunoassay?

    The device received FDA 510(k) clearance with K number K833789 and is classified under product code LCA, regulated under 21 CFR 862.3880. It was determined to be substantially equivalent to other devices on the market.

  • What are the specifications of the Phase II Theophylline Radioimmunoassay?

    The device is a radioimmunoassay kit designed for quantitative determination of theophylline in human serum or plasma. It is a single-use device intended for clinical laboratory settings and requires proper storage as per manufacturer instructions.