part_subject: "CLINICAL CHEMISTRY AND CLINICAL TOXICOLOGY DEVICES"
subpart_code: "D"
subpart_subject: "Clinical Toxicology Test Systems"
section_number: "862.3880"
section_subject: "Theophylline test system."
cfr_reference: "21 CFR 862.3880"
title_name: "Title 21"
title_subject: "Food and Drugs"
parts_covered: "Parts 800 to 1299"
revised_date: "Revised as of April 1, 2019"
publication_date: "As of April 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
---
(a)Identification. A theophylline test system is a device intended to measure theophylline (a drug used for stimulation of the muscles in the cardiovascular, respiratory, and central nervous systems) in serum and plasma. Measurements obtained by this device are used in the diagnosis and treatment of theophylline overdose or in monitoring levels of theophylline to ensure appropriate therapy.