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21 CFR 866.1645

§ 866.1645 Fully automated short-term incubation cycle antimicrobial susceptibility system.

United States · 21 CFR — Food and Drugs · Status: effective

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21 CFR 866.1645, § 866.1645 Fully automated short-term incubation cycle antimicrobial susceptibility system, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/89441
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(a) Identification. A fully automated short-term incubation cycle antimicrobial susceptibility system is a device that incorporates concentrations of antimicrobial agents into a system for the purpose of determining in vitro susceptibility of bacterial pathogens isolated from clinical specimens. Test results obtained from short-term (less than 16 hours) incubation are used to determine the antimicrobial agent of choice to treat bacterial diseases. (b) Classification. Class II (special controls). The special control for this device is FDA's guidance document entitled “Class II Special Controls Guidance Document: Antimicrobial Susceptibility Test (AST) Systems; Guidance for Industry and FDA.”

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.