part_subject: "CLINICAL CHEMISTRY AND CLINICAL TOXICOLOGY DEVICES"
subpart_code: "B"
subpart_subject: "Clinical Chemistry Test Systems"
section_number: "862.1120"
section_subject: "Blood gases (P"
cfr_reference: "21 CFR 862.1120"
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 blood gases (PCO2, PO2) and blood pH test system is a device intended to measure certain gases in blood, serum, plasma or pH of blood, serum, and plasma. Measurements of blood gases (PCO2, PO2) and blood pH are used in the diagnosis and treatment of life-threatening acid-base disturbances.