Regulations last checked for updates: Oct 17, 2024

Title 42 - Public Health last revised: Oct 15, 2024
All TitlesTitle 42Chapter IVPart 493Subpart H - Subpart H—Participation in Proficiency Testing for Laboratories Performing Nonwaived Testing
View all text of Subpart H [§ 493.801 - § 493.865]
§ 493.839 - Condition: Chemistry.

The specialty of chemistry includes for the purposes of proficiency testing the subspecialties of routine chemistry, endocrinology, and toxicology.

authority: 42 U.S.C. 263a,1302,1395x,1395x
source: 55 FR 9576, Mar. 14, 1990, unless otherwise noted.
cite as: 42 CFR 493.839
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