Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

Code · CFR · Title 21 — Food and Drugs · Part 866 — Immunology and Microbiology Devices · § 866.3361

§ 866.3361. Mass spectrometer system for clinical use for the identification of microorganisms.

230 words·~1 min read·/us/cfr/t21/s§ 866.3361·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(a)Identification. A mass spectrometer system for clinical use for the identification of microorganisms is a qualitative in vitro diagnostic device intended for the identification of microorganisms cultured from human specimens. The device is comprised of an ionization source, a mass analyzer, and a spectral database. The device is indicated for use in conjunction with other clinical and laboratory findings to aid in the diagnosis of bacterial and fungal infections.
(b)Classification. Class II (special controls). The special controls for this device are:
(1)Premarket notification submissions must include detailed documentation for device software, including, but not limited to, standalone software applications and hardware-based devices that incorporate software.
(2)Premarket notification submissions must include database implementation methodology, construction parameters, and quality assurance protocols.
(3)A detailed explanation of the interpretation of results and acceptance criteria must be included in the device's 21 CFR 809.10(b)(9) compliant labeling.
(4)As part of the risk management activities performed under 21 CFR 820.10(c) design and development, you must document an appropriate end user device training program that will be offered as part of your efforts to mitigate the risk of failure to correctly operate the instrument.
(5)Premarket notification submissions must include details on the appropriate end user device training program that will be offered while marketing the device. [82 FR 49101, Oct. 24, 2017, as amended at 90 FR 55982, Dec. 4, 2025]
Connections1 cite this · traces to 2
Citation graph
cites case law
§ 866.3361
Mass spectrometer system for clinical use for the identification of microorganisms.
Fed. Reg.×1
Cites 2Cited by 1 across 1 source
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.